General fact: 70224 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 70224 is an unremarkable number.
Trivia: 70224 is a boring number.
Historical date: April 6th is the day in 1866 that the Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded.