23522249 has 2 divisors, whose sum is σ = 23522250. Its totient is φ = 23522248.

The previous prime is 23522243. The next prime is 23522287. The reversal of 23522249 is 94222532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23454649 + 67600 = 4843^2 + 260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23522249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23522243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11761124 + 11761125.

It is an arithmetic number, because the mean of its divisors is an integer number (11761125).

Almost surely, 2^23522249 is an apocalyptic number.

It is an amenable number.

23522249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23522249 is an equidigital number, since it uses as much as digits as its factorization.

23522249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 23522249 is about 4849.9741236423. The cubic root of 23522249 is about 286.5230822013.

The spelling of 23522249 in words is "twenty-three million, five hundred twenty-two thousand, two hundred forty-nine".