24228569 has 2 divisors, whose sum is σ = 24228570. Its totient is φ = 24228568.

The previous prime is 24228557. The next prime is 24228571. The reversal of 24228569 is 96582242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22992025 + 1236544 = 4795^2 + 1112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24228569 is a prime.

It is a super-2 number, since 2×24228569² = 1174047111575522, which contains 22 as substring.

Together with 24228571, 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 (24228509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12114284 + 12114285.

It is an arithmetic number, because the mean of its divisors is an integer number (12114285).

Almost surely, 2^24228569 is an apocalyptic number.

It is an amenable number.

24228569 is a deficient number, since it is larger than the sum of its proper divisors (1).

24228569 is an equidigital number, since it uses as much as digits as its factorization.

24228569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 24228569 is about 4922.2524315602. The cubic root of 24228569 is about 289.3627266617.

The spelling of 24228569 in words is "twenty-four million, two hundred twenty-eight thousand, five hundred sixty-nine".