22569769 has 2 divisors, whose sum is σ = 22569770. Its totient is φ = 22569768.

The previous prime is 22569751. The next prime is 22569773. The reversal of 22569769 is 96796522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15705369 + 6864400 = 3963^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 22569769 - 2⁵ = 22569737 is a prime.

It is a super-2 number, since 2×22569769² = 1018788945426722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22569709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11284884 + 11284885.

It is an arithmetic number, because the mean of its divisors is an integer number (11284885).

Almost surely, 2^22569769 is an apocalyptic number.

It is an amenable number.

22569769 is a deficient number, since it is larger than the sum of its proper divisors (1).

22569769 is an equidigital number, since it uses as much as digits as its factorization.

22569769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 22569769 is about 4750.7650962766. The cubic root of 22569769 is about 282.6023082076.

The spelling of 22569769 in words is "twenty-two million, five hundred sixty-nine thousand, seven hundred sixty-nine".