229 is nontrivially palindromic in base 12.
229 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.
It is a weak prime.
It is a cyclic number.
It is a magnanimous number.
229 is an undulating number in base 12.
It is a plaindrome in base 7, base 8, base 10, base 11, base 13 and base 14.
It is a nialpdrome in base 3, base 4 and base 16.
It is a zygodrome in base 3.
It is a congruent number.
It is an amenable number.
229 is an equidigital number, since it uses as much as digits as its factorization.
229 is an odious number, because the sum of its binary digits is odd.
The square root of 229 is about 15.1327459504. The cubic root of 229 is about 6.1180331726.
Adding to 229 its sum of digits (13), we get a palindrome (242).
Subtracting from 229 its sum of digits (13), we obtain a cube (216 = 63).
The spelling of 229 in words is "two hundred twenty-nine", and thus it is an aban number.