622565412 has 48 divisors (see below), whose sum is σ = 1669809792. Its totient is φ = 176843520.

The previous prime is 622565387. The next prime is 622565453. The reversal of 622565412 is 214565226.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6889 + ... + 35952.

It is an arithmetic number, because the mean of its divisors is an integer number (34787704).

Almost surely, 2^622565412 is an apocalyptic number.

It is an amenable number.

622565412 is an abundant number, since it is smaller than the sum of its proper divisors (1047244380).

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

622565412 is a wasteful number, since it uses less digits than its factorization.

622565412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43028 (or 43026 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 622565412 is about 24951.2607296706. The cubic root of 622565412 is about 853.8763722194.

The spelling of 622565412 in words is "six hundred twenty-two million, five hundred sixty-five thousand, four hundred twelve".