23158422 has 24 divisors (see below), whose sum is σ = 57344976. Its totient is φ = 6616656.

The previous prime is 23158409. The next prime is 23158453. The reversal of 23158422 is 22485132.

23158422 is a `hidden beast` number, since 231 + 5 + 8 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

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, 91773 + ... + 92024.

It is an arithmetic number, because the mean of its divisors is an integer number (2389374).

Almost surely, 2^23158422 is an apocalyptic number.

23158422 is an abundant number, since it is smaller than the sum of its proper divisors (34186554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23158422 is a wasteful number, since it uses less digits than its factorization.

23158422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183812 (or 183809 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 23158422 is about 4812.3198148087. The cubic root of 23158422 is about 285.0381481714.

It can be divided in two parts, 231 and 58422, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 23158422 in words is "twenty-three million, one hundred fifty-eight thousand, four hundred twenty-two".