22653863 has 2 divisors, whose sum is σ = 22653864. Its totient is φ = 22653862.

The previous prime is 22653823. The next prime is 22653887. The reversal of 22653863 is 36835622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22653863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22653823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11326931 + 11326932.

It is an arithmetic number, because the mean of its divisors is an integer number (11326932).

Almost surely, 2^22653863 is an apocalyptic number.

22653863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22653863 is an equidigital number, since it uses as much as digits as its factorization.

22653863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 22653863 is about 4759.6074417960. The cubic root of 22653863 is about 282.9528612484.

The spelling of 22653863 in words is "twenty-two million, six hundred fifty-three thousand, eight hundred sixty-three".