22264231 has 16 divisors (see below), whose sum is σ = 25344000. Its totient is φ = 19375200.

The previous prime is 22264213. The next prime is 22264241. The reversal of 22264231 is 13246222.

It is a cyclic number.

It is not a de Polignac number, because 22264231 - 2¹⁹ = 21739943 is a prime.

It is a super-2 number, since 2×22264231² = 991391964042722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22264201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36870 + ... + 37468.

It is an arithmetic number, because the mean of its divisors is an integer number (1584000).

Almost surely, 2^22264231 is an apocalyptic number.

22264231 is a deficient number, since it is larger than the sum of its proper divisors (3079769).

22264231 is a wasteful number, since it uses less digits than its factorization.

22264231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its digits is 1152, while the sum is 22.

The square root of 22264231 is about 4718.4988078837. The cubic root of 22264231 is about 281.3212681286.

Subtracting from 22264231 its reverse (13246222), we obtain a square (9018009 = 3003²).

The spelling of 22264231 in words is "twenty-two million, two hundred sixty-four thousand, two hundred thirty-one".