22329569 has 2 divisors, whose sum is σ = 22329570. Its totient is φ = 22329568.

The previous prime is 22329563. The next prime is 22329577. The reversal of 22329569 is 96592322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14348944 + 7980625 = 3788^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 22329569 - 2²⁰ = 21280993 is a prime.

It is a super-2 number, since 2×22329569² = 997219303451522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22329563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11164784 + 11164785.

It is an arithmetic number, because the mean of its divisors is an integer number (11164785).

Almost surely, 2^22329569 is an apocalyptic number.

It is an amenable number.

22329569 is a deficient number, since it is larger than the sum of its proper divisors (1).

22329569 is an equidigital number, since it uses as much as digits as its factorization.

22329569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 22329569 is about 4725.4173360667. The cubic root of 22329569 is about 281.5961936751.

It can be divided in two parts, 223 and 29569, that added together give a palindrome (29792).

The spelling of 22329569 in words is "twenty-two million, three hundred twenty-nine thousand, five hundred sixty-nine".