22826639720 has 32 divisors (see below), whose sum is σ = 51365210400. Its totient is φ = 9129718848.

The previous prime is 22826639713. The next prime is 22826639723. The reversal of 22826639720 is 2793662822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22826639723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470771 + ... + 516989.

It is an arithmetic number, because the mean of its divisors is an integer number (1605162825).

Almost surely, 2^22826639720 is an apocalyptic number.

22826639720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22826639720 is an abundant number, since it is smaller than the sum of its proper divisors (28538570680).

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

22826639720 is a wasteful number, since it uses less digits than its factorization.

22826639720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58577 (or 58573 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 22826639720 in words is "twenty-two billion, eight hundred twenty-six million, six hundred thirty-nine thousand, seven hundred twenty".