522000444 has 48 divisors (see below), whose sum is σ = 1436911616. Its totient is φ = 144331200.

The previous prime is 522000439. The next prime is 522000469. The reversal of 522000444 is 444000225.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 522000444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97627 + ... + 102834.

Almost surely, 2^522000444 is an apocalyptic number.

It is an amenable number.

522000444 is an abundant number, since it is smaller than the sum of its proper divisors (914911172).

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

522000444 is a wasteful number, since it uses less digits than its factorization.

522000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200506 (or 200504 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 522000444 is about 22847.3290342657. The cubic root of 522000444 is about 805.1750164070.

Adding to 522000444 its reverse (444000225), we get a palindrome (966000669).

The spelling of 522000444 in words is "five hundred twenty-two million, four hundred forty-four", and thus it is an aban number.