22973569 has 2 divisors, whose sum is σ = 22973570. Its totient is φ = 22973568.

The previous prime is 22973551. The next prime is 22973581. The reversal of 22973569 is 96537922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21270544 + 1703025 = 4612^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 22973569 - 2⁷ = 22973441 is a prime.

It is a super-2 number, since 2×22973569² = 1055569745195522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22973669) 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, 11486784 + 11486785.

It is an arithmetic number, because the mean of its divisors is an integer number (11486785).

Almost surely, 2^22973569 is an apocalyptic number.

It is an amenable number.

22973569 is a deficient number, since it is larger than the sum of its proper divisors (1).

22973569 is an equidigital number, since it uses as much as digits as its factorization.

22973569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 22973569 is about 4793.0751089462. The cubic root of 22973569 is about 284.2777196380.

The spelling of 22973569 in words is "twenty-two million, nine hundred seventy-three thousand, five hundred sixty-nine".