622622044064021 has 32 divisors (see below), whose sum is σ = 675105638767488. Its totient is φ = 572015044823040.

The previous prime is 622622044063963. The next prime is 622622044064023. The reversal of 622622044064021 is 120460440226226.

It is not a de Polignac number, because 622622044064021 - 2²² = 622622039869717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622622044064021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622622044064023) 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, 542573966 + ... + 543720288.

It is an arithmetic number, because the mean of its divisors is an integer number (21097051211484).

Almost surely, 2^{622622044064021} is an apocalyptic number.

It is an amenable number.

622622044064021 is a deficient number, since it is larger than the sum of its proper divisors (52483594703467).

622622044064021 is a wasteful number, since it uses less digits than its factorization.

622622044064021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149461.

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 622622044064021 in words is "six hundred twenty-two trillion, six hundred twenty-two billion, forty-four million, sixty-four thousand, twenty-one".