422645223100 has 36 divisors (see below), whose sum is σ = 919560111400. Its totient is φ = 168612010560.

The previous prime is 422645223089. The next prime is 422645223127. The reversal of 422645223100 is 1322546224.

It is a super-2 number, since 2×422645223100² (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 11 ways as a sum of consecutive naturals, for example, 5537895 + ... + 5613694.

Almost surely, 2^422645223100 is an apocalyptic number.

It is an amenable number.

422645223100 is an abundant number, since it is smaller than the sum of its proper divisors (496914888300).

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

422645223100 is a wasteful number, since it uses less digits than its factorization.

422645223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151982 (or 11151975 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 422645223100 its reverse (1322546224), we get a palindrome (423967769324).

The spelling of 422645223100 in words is "four hundred twenty-two billion, six hundred forty-five million, two hundred twenty-three thousand, one hundred".