22122231100 has 18 divisors (see below), whose sum is σ = 48005241704. Its totient is φ = 8848892400.

The previous prime is 22122231017. The next prime is 22122231181. The reversal of 22122231100 is 113222122.

It is a happy number.

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, 110611056 + ... + 110611255.

Almost surely, 2^22122231100 is an apocalyptic number.

22122231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122231100 is an abundant number, since it is smaller than the sum of its proper divisors (25883010604).

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

22122231100 is a wasteful number, since it uses less digits than its factorization.

22122231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221222325 (or 221222318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22122231100 its reverse (113222122), we get a palindrome (22235453222).

The spelling of 22122231100 in words is "twenty-two billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred".