641115631422 has 48 divisors (see below), whose sum is σ = 1657305720720. Its totient is φ = 183175893936.

The previous prime is 641115631397. The next prime is 641115631447. The reversal of 641115631422 is 224136511146.

641115631422 is a `hidden beast` number, since 6 + 4 + 1 + 1 + 15 + 631 + 4 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (641115631397) and next prime (641115631447).

It is a super-2 number, since 2×641115631422² (a number of 24 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, 121145433 + ... + 121150724.

It is an arithmetic number, because the mean of its divisors is an integer number (34527202515).

Almost surely, 2^641115631422 is an apocalyptic number.

641115631422 is an abundant number, since it is smaller than the sum of its proper divisors (1016190089298).

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

641115631422 is a wasteful number, since it uses less digits than its factorization.

641115631422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242296182 (or 242296169 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 641115631422 in words is "six hundred forty-one billion, one hundred fifteen million, six hundred thirty-one thousand, four hundred twenty-two".