122229 has 12 divisors (see below), whose sum is σ = 183456. Its totient is φ = 81324.

The previous prime is 122219. The next prime is 122231. The reversal of 122229 is 922221.

It is not a de Polignac number, because 122229 - 2¹¹ = 120181 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

2¹²²²²⁹ is an apocalyptic number.

It is an amenable number.

122229 is a deficient number, since it is larger than the sum of its proper divisors (61227).

122229 is an frugal number, since it uses more digits than its factorization.

122229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 506 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 122229 is about 349.6126427920. The cubic root of 122229 is about 49.6277690930.

It can be divided in two parts, 122 and 229, that added together give a triangular number (351 = T₂₆).

The spelling of 122229 in words is "one hundred twenty-two thousand, two hundred twenty-nine".