22645099 has 2 divisors, whose sum is σ = 22645100. Its totient is φ = 22645098.

The previous prime is 22645067. The next prime is 22645121. The reversal of 22645099 is 99054622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22645099 - 2⁵ = 22645067 is a prime.

It is not a weakly prime, because it can be changed into another prime (22645009) 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, 11322549 + 11322550.

It is an arithmetic number, because the mean of its divisors is an integer number (11322550).

Almost surely, 2^22645099 is an apocalyptic number.

22645099 is a deficient number, since it is larger than the sum of its proper divisors (1).

22645099 is an equidigital number, since it uses as much as digits as its factorization.

22645099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 22645099 is about 4758.6866885728. The cubic root of 22645099 is about 282.9163683005.

The spelling of 22645099 in words is "twenty-two million, six hundred forty-five thousand, ninety-nine".