22421240200 has 24 divisors (see below), whose sum is σ = 52129383930. Its totient is φ = 8968496000.

The previous prime is 22421240189. The next prime is 22421240201. The reversal of 22421240200 is 204212422.

It can be written as a sum of positive squares in 3 ways, for example, as 9949264516 + 12471975684 = 99746^2 + 111678^2 .

It is not an unprimeable number, because it can be changed into a prime (22421240201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56052901 + ... + 56053300.

Almost surely, 2^22421240200 is an apocalyptic number.

22421240200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421240200 is an abundant number, since it is smaller than the sum of its proper divisors (29708143730).

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

22421240200 is a wasteful number, since it uses less digits than its factorization.

22421240200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112106217 (or 112106208 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22421240200 its reverse (204212422), we get a palindrome (22625452622).

The spelling of 22421240200 in words is "twenty-two billion, four hundred twenty-one million, two hundred forty thousand, two hundred".