622664525 has 24 divisors (see below), whose sum is σ = 934315200. Its totient is φ = 401852160.

The previous prime is 622664521. The next prime is 622664531. The reversal of 622664525 is 525466226.

622664525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 622664525 - 2² = 622664521 is a prime.

It is a super-2 number, since 2×622664525² = 775422221386951250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622664521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101675 + ... + 107624.

It is an arithmetic number, because the mean of its divisors is an integer number (38929800).

Almost surely, 2^622664525 is an apocalyptic number.

It is an amenable number.

622664525 is a deficient number, since it is larger than the sum of its proper divisors (311650675).

622664525 is a wasteful number, since it uses less digits than its factorization.

622664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209333 (or 209328 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 622664525 is about 24953.2467827335. The cubic root of 622664525 is about 853.9216824559.

The spelling of 622664525 in words is "six hundred twenty-two million, six hundred sixty-four thousand, five hundred twenty-five".