22595609 has 2 divisors, whose sum is σ = 22595610. Its totient is φ = 22595608.

The previous prime is 22595581. The next prime is 22595623. The reversal of 22595609 is 90659522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21418384 + 1177225 = 4628^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 22595609 - 2¹⁶ = 22530073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22595509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11297804 + 11297805.

It is an arithmetic number, because the mean of its divisors is an integer number (11297805).

Almost surely, 2^22595609 is an apocalyptic number.

It is an amenable number.

22595609 is a deficient number, since it is larger than the sum of its proper divisors (1).

22595609 is an equidigital number, since it uses as much as digits as its factorization.

22595609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 22595609 is about 4753.4838802714. The cubic root of 22595609 is about 282.7101169993.

The spelling of 22595609 in words is "twenty-two million, five hundred ninety-five thousand, six hundred nine".