Fatto generale: 83722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 83722 is an unremarkable number.
Trivia: 83722 is an unremarkable number.
Data storica: March 22nd is the day in 1989 that Clint Malarchuk of the Buffalo Sabres suffers a near-fatal injury when another player accidentally slits his throat.