622622566221665 has 32 divisors (see below), whose sum is σ = 765794195308800. Its totient is φ = 485843347360000.

The previous prime is 622622566221661. The next prime is 622622566221701. The reversal of 622622566221665 is 566122665226226.

It is a happy number.

It is not a de Polignac number, because 622622566221665 - 2² = 622622566221661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622622566221661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10171394 + ... + 36724683.

It is an arithmetic number, because the mean of its divisors is an integer number (23931068603400).

Almost surely, 2^{622622566221665} is an apocalyptic number.

It is an amenable number.

622622566221665 is a deficient number, since it is larger than the sum of its proper divisors (143171629087135).

622622566221665 is a wasteful number, since it uses less digits than its factorization.

622622566221665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46896553.

The product of its digits is 74649600, while the sum is 59.

The spelling of 622622566221665 in words is "six hundred twenty-two trillion, six hundred twenty-two billion, five hundred sixty-six million, two hundred twenty-one thousand, six hundred sixty-five".