52222392 has 48 divisors (see below), whose sum is σ = 145265640. Its totient is φ = 16936128.

The previous prime is 52222381. The next prime is 52222399. The reversal of 52222392 is 29322225.

52222392 is a `hidden beast` number, since 52 + 222 + 392 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7138 + ... + 12465.

Almost surely, 2^52222392 is an apocalyptic number.

It is an amenable number.

52222392 is an abundant number, since it is smaller than the sum of its proper divisors (93043248).

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

52222392 is a wasteful number, since it uses less digits than its factorization.

52222392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19652 (or 19645 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 52222392 is about 7226.5062097808. The cubic root of 52222392 is about 373.7824618807.

The spelling of 52222392 in words is "fifty-two million, two hundred twenty-two thousand, three hundred ninety-two".