22329 has 8 divisors (see below), whose sum is σ = 33120. Its totient is φ = 14868.

The previous prime is 22307. The next prime is 22343. The reversal of 22329 is 92322.

It is not a de Polignac number, because 22329 - 2⁸ = 22073 is a prime.

It is a super-3 number, since 3×22329³ = 33398662551867, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387 + ... + 440.

It is an arithmetic number, because the mean of its divisors is an integer number (4140).

2²²³²⁹ is an apocalyptic number.

It is an amenable number.

22329 is a deficient number, since it is larger than the sum of its proper divisors (10791).

22329 is an equidigital number, since it uses as much as digits as its factorization.

22329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 830 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 22329 is about 149.4289128649. The cubic root of 22329 is about 28.1593801785.

It can be divided in two parts, 223 and 29, that added together give a palindrome (252).

The spelling of 22329 in words is "twenty-two thousand, three hundred twenty-nine".