23251022 has 32 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 10235808.

The previous prime is 23251021. The next prime is 23251049. The reversal of 23251022 is 22015232.

It is a super-2 number, since 2×23251022² = 1081220048088968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31979 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^23251022 is an apocalyptic number.

23251022 is a deficient number, since it is larger than the sum of its proper divisors (16147378).

23251022 is a wasteful number, since it uses less digits than its factorization.

23251022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23251022 is about 4821.9313557951. The cubic root of 23251022 is about 285.4175555788.

Adding to 23251022 its reverse (22015232), we get a palindrome (45266254).

The spelling of 23251022 in words is "twenty-three million, two hundred fifty-one thousand, twenty-two".