23226539 has 12 divisors (see below), whose sum is σ = 28608984. Its totient is φ = 18736704.

The previous prime is 23226529. The next prime is 23226547. The reversal of 23226539 is 93562232.

It is not a de Polignac number, because 23226539 - 2⁸ = 23226283 is a prime.

It is a super-2 number, since 2×23226539² = 1078944227837042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23226509) 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, 13109 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (2384082).

Almost surely, 2^23226539 is an apocalyptic number.

23226539 is a deficient number, since it is larger than the sum of its proper divisors (5382445).

23226539 is a wasteful number, since it uses less digits than its factorization.

23226539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27914 (or 27907 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 23226539 is about 4819.3919740980. The cubic root of 23226539 is about 285.3173401681.

The spelling of 23226539 in words is "twenty-three million, two hundred twenty-six thousand, five hundred thirty-nine".