Fait général: 10522 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 10522 is a boring number.
Culture générale: 10522 is an unremarkable number.
Date historique: October 21st is the day in 1921 that President Warren G. Harding delivers the first speech by a sitting President against lynching in the deep south.