252905922 has 32 divisors (see below), whose sum is σ = 591595200. Its totient is φ = 79864704.

The previous prime is 252905911. The next prime is 252905929. The reversal of 252905922 is 229509252.

It is a super-2 number, since 2×252905922² = 127922810765340168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252905929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122223 + ... + 124274.

It is an arithmetic number, because the mean of its divisors is an integer number (18487350).

Almost surely, 2^252905922 is an apocalyptic number.

252905922 is an abundant number, since it is smaller than the sum of its proper divisors (338689278).

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

252905922 is a wasteful number, since it uses less digits than its factorization.

252905922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246527 (or 246521 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 252905922 is about 15903.0161290241. The cubic root of 252905922 is about 632.3919499640.

The spelling of 252905922 in words is "two hundred fifty-two million, nine hundred five thousand, nine hundred twenty-two".