You can find archived versions of the Google Play Store on reputable hosting sites. Ensure the "Minimum Version" listed on the download page is or Android 4.0+ to guarantee compatibility with your 4.2.2 device:

Before installing the APK, you must allow your device to install apps from sources other than the official Play Store. Navigate to on your Android device. Go to Security (or Applications on some older devices).

If you run into any issues during the installation, let me know. Please tell me the you see on your screen or the brand and model of your device so I can suggest a specific fix. Share public link