22604455200 has 288 divisors, whose sum is σ = 77101065216. Its totient is φ = 5741429760.

The previous prime is 22604455193. The next prime is 22604455201. The reversal of 22604455200 is 255440622.

It is a happy number.

It is a super-2 number, since 2×22604455200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22604455201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15620877 + ... + 15622323.

It is an arithmetic number, because the mean of its divisors is an integer number (267712032).

Almost surely, 2^22604455200 is an apocalyptic number.

22604455200 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 22604455200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38550532608).

22604455200 is an abundant number, since it is smaller than the sum of its proper divisors (54496610016).

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

22604455200 is a wasteful number, since it uses less digits than its factorization.

22604455200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22604455200 its reverse (255440622), we get a palindrome (22859895822).

The spelling of 22604455200 in words is "twenty-two billion, six hundred four million, four hundred fifty-five thousand, two hundred".