252228792 has 16 divisors (see below), whose sum is σ = 630572040. Its totient is φ = 84076256.

The previous prime is 252228727. The next prime is 252228799. The reversal of 252228792 is 297822252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252228792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252228799) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5254743 + ... + 5254790.

Almost surely, 2^252228792 is an apocalyptic number.

It is an amenable number.

252228792 is an abundant number, since it is smaller than the sum of its proper divisors (378343248).

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

252228792 is a wasteful number, since it uses less digits than its factorization.

252228792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509542 (or 10509538 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 252228792 is about 15881.7125021202. The cubic root of 252228792 is about 631.8270570431.

The spelling of 252228792 in words is "two hundred fifty-two million, two hundred twenty-eight thousand, seven hundred ninety-two".