22965251 has 2 divisors, whose sum is σ = 22965252. Its totient is φ = 22965250.

The previous prime is 22965227. The next prime is 22965269. The reversal of 22965251 is 15256922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22965251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22968251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11482625 + 11482626.

It is an arithmetic number, because the mean of its divisors is an integer number (11482626).

Almost surely, 2^22965251 is an apocalyptic number.

22965251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22965251 is an equidigital number, since it uses as much as digits as its factorization.

22965251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 22965251 is about 4792.2073202231. The cubic root of 22965251 is about 284.2434061839.

The spelling of 22965251 in words is "twenty-two million, nine hundred sixty-five thousand, two hundred fifty-one".