258022238 has 32 divisors (see below), whose sum is σ = 413814528. Its totient is φ = 120441600.

The previous prime is 258022229. The next prime is 258022241. The reversal of 258022238 is 832220852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313868 + ... + 314688.

It is an arithmetic number, because the mean of its divisors is an integer number (12931704).

Almost surely, 2^258022238 is an apocalyptic number.

258022238 is a deficient number, since it is larger than the sum of its proper divisors (155792290).

258022238 is a wasteful number, since it uses less digits than its factorization.

258022238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 258022238 is about 16063.0706279964. The cubic root of 258022238 is about 636.6279661182.

The spelling of 258022238 in words is "two hundred fifty-eight million, twenty-two thousand, two hundred thirty-eight".