22686863 has 2 divisors, whose sum is σ = 22686864. Its totient is φ = 22686862.

The previous prime is 22686841. The next prime is 22686887. The reversal of 22686863 is 36868622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22686863 - 2¹⁶ = 22621327 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22686863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22686163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11343431 + 11343432.

It is an arithmetic number, because the mean of its divisors is an integer number (11343432).

Almost surely, 2^22686863 is an apocalyptic number.

22686863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22686863 is an equidigital number, since it uses as much as digits as its factorization.

22686863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 22686863 is about 4763.0728526866. The cubic root of 22686863 is about 283.0901875567.

The spelling of 22686863 in words is "twenty-two million, six hundred eighty-six thousand, eight hundred sixty-three".