22959569 has 2 divisors, whose sum is σ = 22959570. Its totient is φ = 22959568.

The previous prime is 22959557. The next prime is 22959577. The reversal of 22959569 is 96595922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16507969 + 6451600 = 4063^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 22959569 - 2⁴ = 22959553 is a prime.

It is a super-2 number, since 2×22959569² = 1054283617331522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22959529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11479784 + 11479785.

It is an arithmetic number, because the mean of its divisors is an integer number (11479785).

Almost surely, 2^22959569 is an apocalyptic number.

It is an amenable number.

22959569 is a deficient number, since it is larger than the sum of its proper divisors (1).

22959569 is an equidigital number, since it uses as much as digits as its factorization.

22959569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 47.

The square root of 22959569 is about 4791.6144460923. The cubic root of 22959569 is about 284.2199620065.

The spelling of 22959569 in words is "twenty-two million, nine hundred fifty-nine thousand, five hundred sixty-nine".