522028690 has 32 divisors (see below), whose sum is σ = 1001082240. Its totient is φ = 195312384.

The previous prime is 522028669. The next prime is 522028693. The reversal of 522028690 is 96820225.

It is a super-2 number, since 2×522028690² = 545027906366232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (522028693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18291 + ... + 37129.

It is an arithmetic number, because the mean of its divisors is an integer number (31283820).

Almost surely, 2^522028690 is an apocalyptic number.

522028690 is a deficient number, since it is larger than the sum of its proper divisors (479053550).

522028690 is a wasteful number, since it uses less digits than its factorization.

522028690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19026.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 522028690 is about 22847.9471725580. The cubic root of 522028690 is about 805.1895391043.

The spelling of 522028690 in words is "five hundred twenty-two million, twenty-eight thousand, six hundred ninety".