General fact: 91722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 91722 is a boring number.
Trivia: 91722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: February 15th is the day in 1982 that the drilling rig Ocean Ranger sinks during a storm off the coast of Newfoundland, killing 84 workers.