22469931 has 24 divisors (see below), whose sum is σ = 35582976. Its totient is φ = 13550640.

The previous prime is 22469929. The next prime is 22469939. The reversal of 22469931 is 13996422.

It is not a de Polignac number, because 22469931 - 2¹ = 22469929 is a prime.

It is a super-2 number, since 2×22469931² = 1009795598289522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22469939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25606 + ... + 26468.

It is an arithmetic number, because the mean of its divisors is an integer number (1482624).

Almost surely, 2^22469931 is an apocalyptic number.

22469931 is a deficient number, since it is larger than the sum of its proper divisors (13113045).

22469931 is a wasteful number, since it uses less digits than its factorization.

22469931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1140 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 22469931 is about 4740.2458796986. The cubic root of 22469931 is about 282.1849925459.

The spelling of 22469931 in words is "twenty-two million, four hundred sixty-nine thousand, nine hundred thirty-one".