22625608500 has 720 divisors, whose sum is σ = 85758953280. Its totient is φ = 5196312000.

The previous prime is 22625608409. The next prime is 22625608501. The reversal of 22625608500 is 580652622.

22625608500 is a `hidden beast` number, since 2 + 26 + 25 + 608 + 5 + 0 + 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 (22625608501) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1190821491 + ... + 1190821509.

Almost surely, 2^22625608500 is an apocalyptic number.

22625608500 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 22625608500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42879476640).

22625608500 is an abundant number, since it is smaller than the sum of its proper divisors (63133344780).

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

22625608500 is an equidigital number, since it uses as much as digits as its factorization.

22625608500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 22625608500 in words is "twenty-two billion, six hundred twenty-five million, six hundred eight thousand, five hundred".