22691059 has 2 divisors, whose sum is σ = 22691060. Its totient is φ = 22691058.

The previous prime is 22691047. The next prime is 22691069. The reversal of 22691059 is 95019622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22691059 - 2⁷ = 22690931 is a prime.

It is not a weakly prime, because it can be changed into another prime (22691069) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11345529 + 11345530.

It is an arithmetic number, because the mean of its divisors is an integer number (11345530).

Almost surely, 2^22691059 is an apocalyptic number.

22691059 is a deficient number, since it is larger than the sum of its proper divisors (1).

22691059 is an equidigital number, since it uses as much as digits as its factorization.

22691059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 22691059 is about 4763.5133042745. The cubic root of 22691059 is about 283.1076392599.

The spelling of 22691059 in words is "twenty-two million, six hundred ninety-one thousand, fifty-nine".