622455560 has 16 divisors (see below), whose sum is σ = 1400525100. Its totient is φ = 248982208.

The previous prime is 622455553. The next prime is 622455583. The reversal of 622455560 is 65554226.

It can be written as a sum of positive squares in 2 ways, for example, as 588838756 + 33616804 = 24266^2 + 5798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622455560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7780655 + ... + 7780734.

Almost surely, 2^622455560 is an apocalyptic number.

It is an amenable number.

622455560 is an abundant number, since it is smaller than the sum of its proper divisors (778069540).

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

622455560 is a wasteful number, since it uses less digits than its factorization.

622455560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561400 (or 15561396 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 622455560 is about 24949.0593009035. The cubic root of 622455560 is about 853.8261469510.

The spelling of 622455560 in words is "six hundred twenty-two million, four hundred fifty-five thousand, five hundred sixty".