22596566720 has 224 divisors, whose sum is σ = 67316274816. Its totient is φ = 7033651200.

The previous prime is 22596566701. The next prime is 22596566723. The reversal of 22596566720 is 2766569522.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (22596566723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1769960 + ... + 1782680.

It is an arithmetic number, because the mean of its divisors is an integer number (300519084).

Almost surely, 2^22596566720 is an apocalyptic number.

22596566720 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 22596566720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33658137408).

22596566720 is an abundant number, since it is smaller than the sum of its proper divisors (44719708096).

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

22596566720 is a wasteful number, since it uses less digits than its factorization.

22596566720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819 (or 12809 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 22596566720 in words is "twenty-two billion, five hundred ninety-six million, five hundred sixty-six thousand, seven hundred twenty".