22131332200 has 24 divisors (see below), whose sum is σ = 51455347830. Its totient is φ = 8852532800.

The previous prime is 22131332147. The next prime is 22131332213. The reversal of 22131332200 is 223313122.

It can be written as a sum of positive squares in 3 ways, for example, as 10686183876 + 11445148324 = 103374^2 + 106982^2 .

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, 55328131 + ... + 55328530.

Almost surely, 2^22131332200 is an apocalyptic number.

22131332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131332200 is an abundant number, since it is smaller than the sum of its proper divisors (29324015630).

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

22131332200 is a wasteful number, since it uses less digits than its factorization.

22131332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110656677 (or 110656668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22131332200 its reverse (223313122), we get a palindrome (22354645322).

The spelling of 22131332200 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred".