22500125100 has 54 divisors (see below), whose sum is σ = 70525394940. Its totient is φ = 6000033120.

The previous prime is 22500125029. The next prime is 22500125113. The reversal of 22500125100 is 152100522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12499170 + ... + 12500969.

Almost surely, 2^22500125100 is an apocalyptic number.

22500125100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22500125100 is an abundant number, since it is smaller than the sum of its proper divisors (48025269840).

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

22500125100 is a wasteful number, since it uses less digits than its factorization.

22500125100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000159 (or 25000149 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 22500125100 its reverse (152100522), we get a palindrome (22652225622).

The spelling of 22500125100 in words is "twenty-two billion, five hundred million, one hundred twenty-five thousand, one hundred".