23226529 has 2 divisors, whose sum is σ = 23226530. Its totient is φ = 23226528.

The previous prime is 23226521. The next prime is 23226547. The reversal of 23226529 is 92562232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 1557504 = 4655^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 23226529 - 2³ = 23226521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23226529.

It is not a weakly prime, because it can be changed into another prime (23226521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11613264 + 11613265.

It is an arithmetic number, because the mean of its divisors is an integer number (11613265).

Almost surely, 2^23226529 is an apocalyptic number.

It is an amenable number.

23226529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23226529 is an equidigital number, since it uses as much as digits as its factorization.

23226529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 23226529 is about 4819.3909366226. The cubic root of 23226529 is about 285.3172992210.

The spelling of 23226529 in words is "twenty-three million, two hundred twenty-six thousand, five hundred twenty-nine".