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 boring number.
Trivia: 5224 is a boring number.
Data storica: April 20th is the day in 1916 that the Chicago Cubs play their first game at Weeghman Park (currently Wrigley Field), defeating the Cincinnati Reds 7-6 in 11 innings.