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 an uninteresting number.
Data storica: August 11th is the day in 1919 that the constitution of the Weimar Republic is adopted.