Hecho general: 22773 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 22773 is a boring number.
Trivia: 22773 is a boring number.
Fecha histórica: May 7th is the day in 1846 that the Cambridge Chronicle, America's oldest surviving weekly newspaper, is published for the first time in Cambridge, Massachusetts.