22243414400 has 96 divisors (see below), whose sum is σ = 55094688000. Its totient is φ = 8873646080.

The previous prime is 22243414373. The next prime is 22243414421. The reversal of 22243414400 is 441434222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22243414400.

It is a congruent number.

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, 1216526 + ... + 1234674.

It is an arithmetic number, because the mean of its divisors is an integer number (573903000).

Almost surely, 2^22243414400 is an apocalyptic number.

22243414400 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 22243414400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27547344000).

22243414400 is an abundant number, since it is smaller than the sum of its proper divisors (32851273600).

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

22243414400 is a wasteful number, since it uses less digits than its factorization.

22243414400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556 (or 18539 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22243414400 its reverse (441434222), we get a palindrome (22684848622).

The spelling of 22243414400 in words is "twenty-two billion, two hundred forty-three million, four hundred fourteen thousand, four hundred".