22100031300 has 72 divisors (see below), whose sum is σ = 64267511616. Its totient is φ = 5863410560.

The previous prime is 22100031293. The next prime is 22100031341. The reversal of 22100031300 is 313000122.

It is a happy number.

It is a super-2 number, since 2×22100031300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 127872 + ... + 246071.

It is an arithmetic number, because the mean of its divisors is an integer number (892604328).

Almost surely, 2^22100031300 is an apocalyptic number.

22100031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100031300 is an abundant number, since it is smaller than the sum of its proper divisors (42167480316).

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

22100031300 is a wasteful number, since it uses less digits than its factorization.

22100031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374157 (or 374150 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 22100031300 its reverse (313000122), we get a palindrome (22413031422).

The spelling of 22100031300 in words is "twenty-two billion, one hundred million, thirty-one thousand, three hundred".