Fatto matematico: 224 is a composite number, with its divisors being 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, making it an amicable number with 284.
Trivia: 224 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: August 11th is the day in 1999 that the Salt Lake City Tornado tears through the downtown district of the city, killing one.