22441222400 has 108 divisors (see below), whose sum is σ = 57337830144. Its totient is φ = 8686848000.

The previous prime is 22441222387. The next prime is 22441222451. The reversal of 22441222400 is 422214422.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141845 + ... + 254955.

Almost surely, 2^22441222400 is an apocalyptic number.

22441222400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22441222400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28668915072).

22441222400 is an abundant number, since it is smaller than the sum of its proper divisors (34896607744).

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

22441222400 is a wasteful number, since it uses less digits than its factorization.

22441222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113168 (or 113149 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22441222400 its reverse (422214422), we get a palindrome (22863436822).

The spelling of 22441222400 in words is "twenty-two billion, four hundred forty-one million, two hundred twenty-two thousand, four hundred".