22224252200 has 48 divisors (see below), whose sum is σ = 51687285180. Its totient is φ = 8886965760.

The previous prime is 22224252187. The next prime is 22224252209. The reversal of 22224252200 is 225242222.

It can be written as a sum of positive squares in 6 ways, for example, as 597020356 + 21627231844 = 24434^2 + 147062^2 .

It is not an unprimeable number, because it can be changed into a prime (22224252209) 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, 712124 + ... + 742676.

Almost surely, 2^22224252200 is an apocalyptic number.

22224252200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22224252200 is an abundant number, since it is smaller than the sum of its proper divisors (29463032980).

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

22224252200 is a wasteful number, since it uses less digits than its factorization.

22224252200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34206 (or 34197 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 22224252200 its reverse (225242222), we get a palindrome (22449494422).

The spelling of 22224252200 in words is "twenty-two billion, two hundred twenty-four million, two hundred fifty-two thousand, two hundred".