522030992 has 40 divisors (see below), whose sum is σ = 1161074496. Its totient is φ = 222731136.

The previous prime is 522030991. The next prime is 522031007. The reversal of 522030992 is 299030225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (522030991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15158 + ... + 35690.

Almost surely, 2^522030992 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 522030992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580537248).

522030992 is an abundant number, since it is smaller than the sum of its proper divisors (639043504).

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

522030992 is a wasteful number, since it uses less digits than its factorization.

522030992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775 (or 20769 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 522030992 is about 22847.9975490195. The cubic root of 522030992 is about 805.1907226558.

The spelling of 522030992 in words is "five hundred twenty-two million, thirty thousand, nine hundred ninety-two".