The number should be on the inside of the battery opening.I've had one that the lenses didn't work.All I had to do was clean around the edges of the lense.Awesome cameras,though.Fanned you.Please fan me back!
Found same one here http://www.ebay.com/itm/Nikon-COOLPIX-L22-12-0-MP-Digital-Camera-Red-As-Is-parts-repair-/250983558586?pt=Digital_Cameras&hash=item3a6fc92dba#ht_1102wt_1185