622504 has 8 divisors (see below), whose sum is σ = 1167210. Its totient is φ = 311248.

The previous prime is 622493. The next prime is 622513. The reversal of 622504 is 405226.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 260100 = 602^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×622504² = 775022460032, which contains 22 as substring.

It is an unprimeable number.

622504 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38899 + ... + 38914.

2⁶²²⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

622504 is a deficient number, since it is larger than the sum of its proper divisors (544706).

622504 is a wasteful number, since it uses less digits than its factorization.

622504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77819 (or 77815 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 622504 is about 788.9892267959. The cubic root of 622504 is about 85.3848294859.

The spelling of 622504 in words is "six hundred twenty-two thousand, five hundred four".