622042022646 has 72 divisors (see below), whose sum is σ = 1511093112984. Its totient is φ = 183402973440.

The previous prime is 622042022617. The next prime is 622042022681. The reversal of 622042022646 is 646220240226.

622042022646 is a `hidden beast` number, since 6 + 2 + 2 + 0 + 4 + 2 + 0 + 2 + 2 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 622042022646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 876355 + ... + 1418478.

It is an arithmetic number, because the mean of its divisors is an integer number (20987404347).

Almost surely, 2^622042022646 is an apocalyptic number.

622042022646 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

622042022646 is an abundant number, since it is smaller than the sum of its proper divisors (889051090338).

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

622042022646 is a wasteful number, since it uses less digits than its factorization.

622042022646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294926 (or 2294886 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 622042022646 in words is "six hundred twenty-two billion, forty-two million, twenty-two thousand, six hundred forty-six".