622475920 has 40 divisors (see below), whose sum is σ = 1578827520. Its totient is φ = 226354560.

The previous prime is 622475911. The next prime is 622475947. The reversal of 622475920 is 29574226.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 622475920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352800 + ... + 354559.

It is an arithmetic number, because the mean of its divisors is an integer number (39470688).

Almost surely, 2^622475920 is an apocalyptic number.

It is an amenable number.

622475920 is an abundant number, since it is smaller than the sum of its proper divisors (956351600).

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

622475920 is a wasteful number, since it uses less digits than its factorization.

622475920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707383 (or 707377 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 622475920 is about 24949.4673289832. The cubic root of 622475920 is about 853.8354561622.

The spelling of 622475920 in words is "six hundred twenty-two million, four hundred seventy-five thousand, nine hundred twenty".