252212158 has 48 divisors (see below), whose sum is σ = 438848928. Its totient is φ = 108416000.

The previous prime is 252212143. The next prime is 252212167. The reversal of 252212158 is 851212252.

It is a super-2 number, since 2×252212158² = 127221945286033928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628758 + ... + 629158.

It is an arithmetic number, because the mean of its divisors is an integer number (9142686).

Almost surely, 2^252212158 is an apocalyptic number.

252212158 is a deficient number, since it is larger than the sum of its proper divisors (186636770).

252212158 is a wasteful number, since it uses less digits than its factorization.

252212158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 252212158 is about 15881.1888094059. The cubic root of 252212158 is about 631.8131674812.

The spelling of 252212158 in words is "two hundred fifty-two million, two hundred twelve thousand, one hundred fifty-eight".