22557225600 has 1536 divisors, whose sum is σ = 107659776000. Its totient is φ = 4478976000.

The previous prime is 22557225589. The next prime is 22557225601. The reversal of 22557225600 is 652275522.

It is a happy number.

22557225600 is a `hidden beast` number, since 2 + 2 + 5 + 572 + 25 + 60 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557225601) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 149385525 + ... + 149385675.

It is an arithmetic number, because the mean of its divisors is an integer number (70091000).

Almost surely, 2^22557225600 is an apocalyptic number.

22557225600 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 22557225600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53829888000).

22557225600 is an abundant number, since it is smaller than the sum of its proper divisors (85102550400).

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

22557225600 is a wasteful number, since it uses less digits than its factorization.

22557225600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 22557225600 in words is "twenty-two billion, five hundred fifty-seven million, two hundred twenty-five thousand, six hundred".