22128933100 has 36 divisors (see below), whose sum is σ = 48045829384. Its totient is φ = 8846772480.

The previous prime is 22128933089. The next prime is 22128933109. The reversal of 22128933100 is 133982122.

It is a super-2 number, since 2×22128933100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22128933109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128227 + ... + 246373.

Almost surely, 2^22128933100 is an apocalyptic number.

22128933100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22128933100 is an abundant number, since it is smaller than the sum of its proper divisors (25916896284).

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

22128933100 is a wasteful number, since it uses less digits than its factorization.

22128933100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120034 (or 120027 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 22128933100 in words is "twenty-two billion, one hundred twenty-eight million, nine hundred thirty-three thousand, one hundred".