522420604 has 12 divisors (see below), whose sum is σ = 933688224. Its totient is φ = 255652544.

The previous prime is 522420559. The next prime is 522420611. The reversal of 522420604 is 406024225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389229 + ... + 1389604.

It is an arithmetic number, because the mean of its divisors is an integer number (77807352).

Almost surely, 2^522420604 is an apocalyptic number.

It is an amenable number.

522420604 is a deficient number, since it is larger than the sum of its proper divisors (411267620).

522420604 is a wasteful number, since it uses less digits than its factorization.

522420604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778884 (or 2778882 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 522420604 is about 22856.5221326430. The cubic root of 522420604 is about 805.3909878762.

Adding to 522420604 its reverse (406024225), we get a palindrome (928444829).

The spelling of 522420604 in words is "five hundred twenty-two million, four hundred twenty thousand, six hundred four".