422676722181 has 16 divisors (see below), whose sum is σ = 644091497600. Its totient is φ = 241524799488.

The previous prime is 422676722177. The next prime is 422676722201. The reversal of 422676722181 is 181227676224.

It is not a de Polignac number, because 422676722181 - 2² = 422676722177 is a prime.

It is a super-2 number, since 2×422676722181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422676722181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422676722581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087725 + ... + 1424253.

It is an arithmetic number, because the mean of its divisors is an integer number (40255718600).

Almost surely, 2^422676722181 is an apocalyptic number.

It is an amenable number.

422676722181 is a deficient number, since it is larger than the sum of its proper divisors (221414775419).

422676722181 is a wasteful number, since it uses less digits than its factorization.

422676722181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396348.

The product of its digits is 903168, while the sum is 48.

The spelling of 422676722181 in words is "four hundred twenty-two billion, six hundred seventy-six million, seven hundred twenty-two thousand, one hundred eighty-one".