522212976 has 120 divisors (see below), whose sum is σ = 1577890080. Its totient is φ = 160731648.

The previous prime is 522212927. The next prime is 522213001. The reversal of 522212976 is 679212225.

It is a happy number.

522212976 is a `hidden beast` number, since 522 + 2 + 129 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 522212976.

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 23 ways as a sum of consecutive naturals, for example, 93330 + ... + 98766.

It is an arithmetic number, because the mean of its divisors is an integer number (13149084).

Almost surely, 2^522212976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522212976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788945040).

522212976 is an abundant number, since it is smaller than the sum of its proper divisors (1055677104).

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

522212976 is a wasteful number, since it uses less digits than its factorization.

522212976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5494 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 522212976 is about 22851.9796954225. The cubic root of 522212976 is about 805.2842770020.

The spelling of 522212976 in words is "five hundred twenty-two million, two hundred twelve thousand, nine hundred seventy-six".