22123204344 has 96 divisors (see below), whose sum is σ = 63155149200. Its totient is φ = 6976903680.

The previous prime is 22123204339. The next prime is 22123204357. The reversal of 22123204344 is 44340232122.

22123204344 is a `hidden beast` number, since 221 + 2 + 3 + 2 + 0 + 434 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047004 + ... + 1067924.

Almost surely, 2^22123204344 is an apocalyptic number.

22123204344 is a gapful number since it is divisible by the number (24) 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 22123204344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31577574600).

22123204344 is an abundant number, since it is smaller than the sum of its proper divisors (41031944856).

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

22123204344 is a wasteful number, since it uses less digits than its factorization.

22123204344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21725 (or 21718 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22123204344 its reverse (44340232122), we get a palindrome (66463436466).

The spelling of 22123204344 in words is "twenty-two billion, one hundred twenty-three million, two hundred four thousand, three hundred forty-four".