22015274100 has 36 divisors (see below), whose sum is σ = 63697527264. Its totient is φ = 5870739680.

The previous prime is 22015274087. The next prime is 22015274119. The reversal of 22015274100 is 147251022.

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, 36691824 + ... + 36692423.

Almost surely, 2^22015274100 is an apocalyptic number.

22015274100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22015274100 is an abundant number, since it is smaller than the sum of its proper divisors (41682253164).

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

22015274100 is a wasteful number, since it uses less digits than its factorization.

22015274100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73384264 (or 73384257 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The spelling of 22015274100 in words is "twenty-two billion, fifteen million, two hundred seventy-four thousand, one hundred".