22788859 has 2 divisors, whose sum is σ = 22788860. Its totient is φ = 22788858.

The previous prime is 22788851. The next prime is 22788863. The reversal of 22788859 is 95888722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22788859 - 2³ = 22788851 is a prime.

It is not a weakly prime, because it can be changed into another prime (22788851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11394429 + 11394430.

It is an arithmetic number, because the mean of its divisors is an integer number (11394430).

Almost surely, 2^22788859 is an apocalyptic number.

22788859 is a deficient number, since it is larger than the sum of its proper divisors (1).

22788859 is an equidigital number, since it uses as much as digits as its factorization.

22788859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 49.

The square root of 22788859 is about 4773.7677991289. The cubic root of 22788859 is about 283.5137939947.

The spelling of 22788859 in words is "twenty-two million, seven hundred eighty-eight thousand, eight hundred fifty-nine".