22652318400 has 168 divisors, whose sum is σ = 75579061440. Its totient is φ = 5938160640.

The previous prime is 22652318399. The next prime is 22652318401. The reversal of 22652318400 is 481325622.

It is an interprime number because it is at equal distance from previous prime (22652318399) and next prime (22652318401).

It is not an unprimeable number, because it can be changed into a prime (22652318401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243207 + ... + 323193.

Almost surely, 2^22652318400 is an apocalyptic number.

22652318400 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 22652318400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37789530720).

22652318400 is an abundant number, since it is smaller than the sum of its proper divisors (52926743040).

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

22652318400 is a wasteful number, since it uses less digits than its factorization.

22652318400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80071 (or 80056 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 22652318400 in words is "twenty-two billion, six hundred fifty-two million, three hundred eighteen thousand, four hundred".