22553310400 has 84 divisors (see below), whose sum is σ = 56405241520. Its totient is φ = 8873395200.

The previous prime is 22553310343. The next prime is 22553310503. The reversal of 22553310400 is 401335522.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 17940 + ... + 213139.

Almost surely, 2^22553310400 is an apocalyptic number.

22553310400 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 22553310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28202620760).

22553310400 is an abundant number, since it is smaller than the sum of its proper divisors (33851931120).

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

22553310400 is a wasteful number, since it uses less digits than its factorization.

22553310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231162 (or 231147 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 22553310400 its reverse (401335522), we get a palindrome (22954645922).

The spelling of 22553310400 in words is "twenty-two billion, five hundred fifty-three million, three hundred ten thousand, four hundred".