522406252 has 12 divisors (see below), whose sum is σ = 914410336. Its totient is φ = 261146160.

The previous prime is 522406231. The next prime is 522406253. The reversal of 522406252 is 252604225.

It is a self number, because there is not a number n which added to its sum of digits gives 522406252.

It is not an unprimeable number, because it can be changed into a prime (522406253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11602 + ... + 34342.

Almost surely, 2^522406252 is an apocalyptic number.

It is an amenable number.

522406252 is a deficient number, since it is larger than the sum of its proper divisors (392004084).

522406252 is a wasteful number, since it uses less digits than its factorization.

522406252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28488 (or 28486 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 522406252 is about 22856.2081719606. The cubic root of 522406252 is about 805.3836125435.

The spelling of 522406252 in words is "five hundred twenty-two million, four hundred six thousand, two hundred fifty-two".