Hecho general: 4229 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 4229 is a boring number.
Trivia: 4229 is an uninteresting number.
Fecha histórica: July 30th is the day in 1811 that Father Miguel Hidalgo y Costilla, leader of the Mexican insurgency, is executed by the Spanish in Chihuahua, Mexico.