252212254 has 16 divisors (see below), whose sum is σ = 438818688. Its totient is φ = 106477272.

The previous prime is 252212237. The next prime is 252212263. The reversal of 252212254 is 452212252.

It is a super-2 number, since 2×252212254² = 127222042135521032, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 133504 + ... + 135379.

It is an arithmetic number, because the mean of its divisors is an integer number (27426168).

Almost surely, 2^252212254 is an apocalyptic number.

252212254 is a deficient number, since it is larger than the sum of its proper divisors (186606434).

252212254 is a wasteful number, since it uses less digits than its factorization.

252212254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268959.

The product of its digits is 3200, while the sum is 25.

The square root of 252212254 is about 15881.1918318494. The cubic root of 252212254 is about 631.8132476439.

The spelling of 252212254 in words is "two hundred fifty-two million, two hundred twelve thousand, two hundred fifty-four".