22681963 has 2 divisors, whose sum is σ = 22681964. Its totient is φ = 22681962.

The previous prime is 22681957. The next prime is 22681969. The reversal of 22681963 is 36918622.

22681963 is nontrivially palindromic in base 12.

It is a balanced prime because it is at equal distance from previous prime (22681957) and next prime (22681969).

It is a cyclic number.

It is not a de Polignac number, because 22681963 - 2⁵ = 22681931 is a prime.

It is not a weakly prime, because it can be changed into another prime (22681969) 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, 11340981 + 11340982.

It is an arithmetic number, because the mean of its divisors is an integer number (11340982).

Almost surely, 2^22681963 is an apocalyptic number.

22681963 is a deficient number, since it is larger than the sum of its proper divisors (1).

22681963 is an equidigital number, since it uses as much as digits as its factorization.

22681963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 22681963 is about 4762.5584510849. The cubic root of 22681963 is about 283.0698051030.

The spelling of 22681963 in words is "twenty-two million, six hundred eighty-one thousand, nine hundred sixty-three".