258022236 has 24 divisors (see below), whose sum is σ = 610533504. Its totient is φ = 84795760.

The previous prime is 258022229. The next prime is 258022241. The reversal of 258022236 is 632220852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150570 + ... + 152273.

It is an arithmetic number, because the mean of its divisors is an integer number (25438896).

Almost surely, 2^258022236 is an apocalyptic number.

It is an amenable number.

258022236 is an abundant number, since it is smaller than the sum of its proper divisors (352511268).

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

258022236 is a wasteful number, since it uses less digits than its factorization.

258022236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302921 (or 302919 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 258022236 is about 16063.0705657418. The cubic root of 258022236 is about 636.6279644733.

The spelling of 258022236 in words is "two hundred fifty-eight million, twenty-two thousand, two hundred thirty-six".