Fatto generale: 22340 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 22340 is an unremarkable number.
Trivia: 22340 is an unremarkable number.
Data storica: February 28th is the day in 1885 that the American Telephone and Telegraph Company is incorporated in New York State as the subsidiary of American Bell Telephone.