Fatto generale: 6224 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 6224 is the number of permutations of 8 elements that have 4^{th} power equal to the identity permutation.
Trivia: 6224 is an uninteresting number.
Data storica: January 14th is the day in 2004 that the national flag of The Republic of Georgia, the so-called "five cross flag", is restored to official use after a hiatus of some 500 years.