22024404400 has 240 divisors, whose sum is σ = 59587596864. Its totient is φ = 7778467840.

The previous prime is 22024404373. The next prime is 22024404419. The reversal of 22024404400 is 440442022.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8287872 + ... + 8290528.

Almost surely, 2^22024404400 is an apocalyptic number.

22024404400 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 22024404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29793798432).

22024404400 is an abundant number, since it is smaller than the sum of its proper divisors (37563192464).

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

22024404400 is a wasteful number, since it uses less digits than its factorization.

22024404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22024404400 its reverse (440442022), we get a palindrome (22464846422).

The spelling of 22024404400 in words is "twenty-two billion, twenty-four million, four hundred four thousand, four hundred".