223488569 has 2 divisors, whose sum is σ = 223488570. Its totient is φ = 223488568.

The previous prime is 223488557. The next prime is 223488571. The reversal of 223488569 is 965884322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221652544 + 1836025 = 14888^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 223488569 - 2⁴ = 223488553 is a prime.

It is a super-2 number, since 2×223488569² = 99894280947335522, which contains 22 as substring.

Together with 223488571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223488589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111744284 + 111744285.

It is an arithmetic number, because the mean of its divisors is an integer number (111744285).

Almost surely, 2^223488569 is an apocalyptic number.

It is an amenable number.

223488569 is a deficient number, since it is larger than the sum of its proper divisors (1).

223488569 is an equidigital number, since it uses as much as digits as its factorization.

223488569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 223488569 is about 14949.5340730071. The cubic root of 223488569 is about 606.8552380765.

The spelling of 223488569 in words is "two hundred twenty-three million, four hundred eighty-eight thousand, five hundred sixty-nine".