522225924 has 96 divisors (see below), whose sum is σ = 1413417600. Its totient is φ = 148316160.

The previous prime is 522225917. The next prime is 522225937. The reversal of 522225924 is 429522225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917512 + ... + 918080.

It is an arithmetic number, because the mean of its divisors is an integer number (14723100).

Almost surely, 2^522225924 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 522225924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706708800).

522225924 is an abundant number, since it is smaller than the sum of its proper divisors (891191676).

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

522225924 is a wasteful number, since it uses less digits than its factorization.

522225924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 522225924 is about 22852.2629951609. The cubic root of 522225924 is about 805.2909324824.

The spelling of 522225924 in words is "five hundred twenty-two million, two hundred twenty-five thousand, nine hundred twenty-four".