Fatto generale: 5224 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5224 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 5224 is an uninteresting number.
Data storica: April 20th is the day in 1770 that the Georgian king Erekle II, abandoned by his Russian ally Count Totleben, wins a victory over Ottoman forces at Aspindza.