A Matter Of Mesorah
The Gemara relates that there was a question that plagued Rabbah and Rav Yosef for 22 years. Rashi notes that the number 22 was not coincidental. Rabbah served as rosh yeshiva for 22 years before he passed away.
Kohanim
The story of the righteous king who offered incense in the Temple though he was not a kohen, and was struck with tzaraas.
The Gemara relates that there was a question that plagued Rabbah and Rav Yosef for 22 years. Rashi notes that the number 22 was not coincidental. Rabbah served as rosh yeshiva for 22 years before he passed away.