622765320 has 32 divisors (see below), whose sum is σ = 1868296320. Its totient is φ = 166070720.

The previous prime is 622765313. The next prime is 622765331. The reversal of 622765320 is 23567226.

It is a happy number.

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, 2594736 + ... + 2594975.

It is an arithmetic number, because the mean of its divisors is an integer number (58384260).

Almost surely, 2^622765320 is an apocalyptic number.

622765320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622765320 is an abundant number, since it is smaller than the sum of its proper divisors (1245531000).

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

622765320 is a wasteful number, since it uses less digits than its factorization.

622765320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189725 (or 5189721 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 622765320 is about 24955.2663780614. The cubic root of 622765320 is about 853.9677567001.

The spelling of 622765320 in words is "six hundred twenty-two million, seven hundred sixty-five thousand, three hundred twenty".