22958381 has 16 divisors (see below), whose sum is σ = 25147584. Its totient is φ = 20876544.

The previous prime is 22958363. The next prime is 22958399. The reversal of 22958381 is 18385922.

It is an interprime number because it is at equal distance from previous prime (22958363) and next prime (22958399).

It is not a de Polignac number, because 22958381 - 2⁶ = 22958317 is a prime.

It is a super-2 number, since 2×22958381² = 1054174516282322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22958081) 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 15 ways as a sum of consecutive naturals, for example, 74630 + ... + 74936.

It is an arithmetic number, because the mean of its divisors is an integer number (1571724).

Almost surely, 2^22958381 is an apocalyptic number.

It is an amenable number.

22958381 is a deficient number, since it is larger than the sum of its proper divisors (2189203).

22958381 is a wasteful number, since it uses less digits than its factorization.

22958381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its digits is 34560, while the sum is 38.

The square root of 22958381 is about 4791.4904779202. The cubic root of 22958381 is about 284.2150597784.

The spelling of 22958381 in words is "twenty-two million, nine hundred fifty-eight thousand, three hundred eighty-one".