General fact: 22713 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 22713 is a boring number.
Trivia: 22713 is an unremarkable number.
Historical date: March 8th is the day in 1985 that a failed assassination attempt on Sayyed Mohammad Hussein Fadlallah in Beirut, Lebanon, kills at least 45 and injures 175 others.