For those of you that might have updated your Verizon Galaxy Nexus to Android 4.2.2 recently, the factory image for that version of Android is now made available to you. A factory image is nice safety net to have, just in case something goes nuts on your phone, and you need to get it back to stock. To download the factory image, just hit the link provided down below. Also, if you are on a Sprint Galaxy Nexus, an Android 4.2.1 factory image is available as well. Let us know if you have any downloading problems. Also let us know how you are enjoying Android 4.2.2.
Source: Droid-Life