We noticed during our home inspection the main panel has only six general lighting circuits and seven 220v circuits/breakers.There were only two areas where 220 outlets would be used. Why would they have so many 220v breakers? Is this normal or cause any problems/safety issues?
By "220 breakers", I'm going to assume you mean double pole breakers. It's also difficult to speculate without actually seeing the panel, or being on site. But here are some thoughts.
Just because a double pole breaker is used, doesn't necessarily mean it's feeding a 240 volt circuit. In some areas, it's common to use double pole breaker to feed multiwire branch circuits. Which means the double pole breakers could be feeding two 120 volt circuits, instead of a single 240 volt circuit. This is likely the case if you see a bunch of 15, and/or 20 ampere double pole breakers.
It could also be that electricity, is the common fuel source in your area. For example you might have electric dryer, electric range, electric heat, electric hot water, electric A/C, water treatment equipment, secondary panel(s), etc. Having all electric appliances, can make the double pole breaker total jump quite a bit.
Things that take 220 (actually 240, for the most part in the US system) and don't always have outlets - electric water heaters, electric stove/range/oven, electric resistance heat (typically but not always electric baseboard), air conditioner, heat pump and feeds to subpanels.
And, of course, MWBCs (Multi-Wire Branch Circuits) which have 120V outlets.
A multi-wire branch circuit (MWBC) is commonly used to provide the code-required two 20 amp circuits to a kitchen countertop area, though they can be used in other places. Typically wires are red, white, and black, plus a bare ground wire. The circuit (if an MWBC) will be fed from two side-by side breakers - they should be tied together or a dual-pole breaker under current code, but some older installs will have non-tied breakers.
There is 120V between red and white, 120V between black and white, and 240V between red and black. If both red and black are connected to an outlet on the hot (brass) side, the tab between the halves of a duplex outlet must be broken - we get the occasional "I replaced an outlet and the breaker (sometimes evene the main breaker) tripped as soon as I turned it back on" stories that are frequently from not removing that tab on a MWBC.
To the extent that there are loads on both "sides" of the circuit, current in the neutral wire is reduced to only the difference between the loads - so if one side has loads operating that are 7.5A, and the other has loads operating that are 9.5A, the one hot carries 7.5A, the other hot carries 9.5A and the neutral only carries the difference - 2A.