22788863 has 2 divisors, whose sum is σ = 22788864. Its totient is φ = 22788862.

The previous prime is 22788859. The next prime is 22788869. The reversal of 22788863 is 36888722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22788863 - 2² = 22788859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22788869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11394431 + 11394432.

It is an arithmetic number, because the mean of its divisors is an integer number (11394432).

Almost surely, 2^22788863 is an apocalyptic number.

22788863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22788863 is an equidigital number, since it uses as much as digits as its factorization.

22788863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

The square root of 22788863 is about 4773.7682180852. The cubic root of 22788863 is about 283.5138105825.

The spelling of 22788863 in words is "twenty-two million, seven hundred eighty-eight thousand, eight hundred sixty-three".