622961622 has 12 divisors (see below), whose sum is σ = 1349750220. Its totient is φ = 207653868.

The previous prime is 622961587. The next prime is 622961659. The reversal of 622961622 is 226169226.

622961622 is a `hidden beast` number, since 6 + 2 + 29 + 6 + 1 + 622 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17304472 + ... + 17304507.

It is an arithmetic number, because the mean of its divisors is an integer number (112479185).

Almost surely, 2^622961622 is an apocalyptic number.

622961622 is an abundant number, since it is smaller than the sum of its proper divisors (726788598).

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

622961622 is a wasteful number, since it uses less digits than its factorization.

622961622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34608987 (or 34608984 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 622961622 is about 24959.1991458059. The cubic root of 622961622 is about 854.0574737320.

The spelling of 622961622 in words is "six hundred twenty-two million, nine hundred sixty-one thousand, six hundred twenty-two".