If you must use an older version, you cannot find it on the Play Store. Instead, you must use reputable third-party repositories that host "legacy" APK files.
Most 4.2.2 compatible versions will eventually hit a "hard stop" where the WhatsApp servers will no longer allow them to sync messages. whatsapp 4.2.2 apk download old version
Downloading an old version of WhatsApp APK Android 4.2.2 is a journey back to the "Jelly Bean" era of mobile tech—a time before the app was owned by Meta (then Facebook) and long before features like disappearing messages or group video calls existed. The Era of Android 4.2.2 (Jelly Bean) If you must use an older version, you
Before downloading WhatsApp 4.2.2 from a third-party APK site, consider these serious downsides: Downloading an old version of WhatsApp APK Android 4
WhatsApp 4.2.2 APK — Download Old Version (Safe & Offline Install)