22530552000 has 448 divisors, whose sum is σ = 83807612928. Its totient is φ = 5283840000.

The previous prime is 22530551999. The next prime is 22530552001. The reversal of 22530552000 is 25503522.

It is an interprime number because it is at equal distance from previous prime (22530551999) and next prime (22530552001).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22530552001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8182624 + ... + 8185376.

Almost surely, 2^22530552000 is an apocalyptic number.

22530552000 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 22530552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41903806464).

22530552000 is an abundant number, since it is smaller than the sum of its proper divisors (61277060928).

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

22530552000 is a wasteful number, since it uses less digits than its factorization.

22530552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The spelling of 22530552000 in words is "twenty-two billion, five hundred thirty million, five hundred fifty-two thousand".