22788504861 has 16 divisors (see below), whose sum is σ = 30721420800. Its totient is φ = 15024315200.

The previous prime is 22788504853. The next prime is 22788504881. The reversal of 22788504861 is 16840588722.

It is a cyclic number.

It is not a de Polignac number, because 22788504861 - 2³ = 22788504853 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22788504881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217915 + ... + 305063.

It is an arithmetic number, because the mean of its divisors is an integer number (1920088800).

Almost surely, 2^22788504861 is an apocalyptic number.

It is an amenable number.

22788504861 is a deficient number, since it is larger than the sum of its proper divisors (7932915939).

22788504861 is a wasteful number, since it uses less digits than its factorization.

22788504861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88116.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 22788504861 in words is "twenty-two billion, seven hundred eighty-eight million, five hundred four thousand, eight hundred sixty-one".