23225149 has 2 divisors, whose sum is σ = 23225150. Its totient is φ = 23225148.

The previous prime is 23225129. The next prime is 23225177. The reversal of 23225149 is 94152232.

It is an a-pointer prime, because the next prime (23225177) can be obtained adding 23225149 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17489124 + 5736025 = 4182^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 23225149 - 2⁷ = 23225021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23225119) 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, 11612574 + 11612575.

It is an arithmetic number, because the mean of its divisors is an integer number (11612575).

Almost surely, 2^23225149 is an apocalyptic number.

It is an amenable number.

23225149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23225149 is an equidigital number, since it uses as much as digits as its factorization.

23225149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 23225149 is about 4819.2477628775. The cubic root of 23225149 is about 285.3116484173.

The spelling of 23225149 in words is "twenty-three million, two hundred twenty-five thousand, one hundred forty-nine".