22931469 has 12 divisors (see below), whose sum is σ = 36134592. Its totient is φ = 13897800.

The previous prime is 22931399. The next prime is 22931507. The reversal of 22931469 is 96413922.

It is a de Polignac number, because none of the positive numbers 2^k-22931469 is a prime.

It is a super-2 number, since 2×22931469² = 1051704540995922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22931569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115717 + ... + 115914.

It is an arithmetic number, because the mean of its divisors is an integer number (3011216).

Almost surely, 2^22931469 is an apocalyptic number.

It is an amenable number.

22931469 is a deficient number, since it is larger than the sum of its proper divisors (13203123).

22931469 is a wasteful number, since it uses less digits than its factorization.

22931469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231648 (or 231645 counting only the distinct ones).

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

The square root of 22931469 is about 4788.6813424992. The cubic root of 22931469 is about 284.1039632933.

The spelling of 22931469 in words is "twenty-two million, nine hundred thirty-one thousand, four hundred sixty-nine".