Hecho general: 5229 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5229 is an unremarkable number.
Trivia: 5229 is an uninteresting number.
Fecha histórica: April 25th is the day in 1707 that the Habsburg army is defeated by Bourbon army at Almansa (Spain) in the War of the Spanish Succession.