522020444 has 24 divisors (see below), whose sum is σ = 1000154736. Its totient is φ = 236432000.

The previous prime is 522020441. The next prime is 522020467. The reversal of 522020444 is 444020225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522020441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747 + ... + 33474.

It is an arithmetic number, because the mean of its divisors is an integer number (41673114).

Almost surely, 2^522020444 is an apocalyptic number.

It is an amenable number.

522020444 is a deficient number, since it is larger than the sum of its proper divisors (478134292).

522020444 is a wasteful number, since it uses less digits than its factorization.

522020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42517 (or 42515 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 522020444 is about 22847.7667179968. The cubic root of 522020444 is about 805.1852994727.

Adding to 522020444 its reverse (444020225), we get a palindrome (966040669).

The spelling of 522020444 in words is "five hundred twenty-two million, twenty thousand, four hundred forty-four".