622675561653855 has 24 divisors (see below), whose sum is σ = 1079766932126688. Its totient is φ = 331951286648256.

The previous prime is 622675561653781. The next prime is 622675561653973. The reversal of 622675561653855 is 558356165576226.

622675561653855 is a `hidden beast` number, since 6 + 2 + 2 + 6 + 7 + 5 + 561 + 6 + 5 + 3 + 8 + 55 = 666.

It is not a de Polignac number, because 622675561653855 - 2⁷ = 622675561653727 is a prime.

It is a super-2 number, since 2×622675561653855² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2965440387 + ... + 2965650356.

It is an arithmetic number, because the mean of its divisors is an integer number (44990288838612).

Almost surely, 2^{622675561653855} is an apocalyptic number.

622675561653855 is a deficient number, since it is larger than the sum of its proper divisors (457091370472833).

622675561653855 is a wasteful number, since it uses less digits than its factorization.

622675561653855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931093087 (or 5931093084 counting only the distinct ones).

The product of its digits is 2721600000, while the sum is 72.

The spelling of 622675561653855 in words is "six hundred twenty-two trillion, six hundred seventy-five billion, five hundred sixty-one million, six hundred fifty-three thousand, eight hundred fifty-five".