22635149 has 2 divisors, whose sum is σ = 22635150. Its totient is φ = 22635148.

The previous prime is 22635113. The next prime is 22635181. The reversal of 22635149 is 94153622.

It is a happy number.

It is an a-pointer prime, because the next prime (22635181) can be obtained adding 22635149 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21921124 + 714025 = 4682^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 22635149 - 2⁸ = 22634893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22635199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11317574 + 11317575.

It is an arithmetic number, because the mean of its divisors is an integer number (11317575).

Almost surely, 2^22635149 is an apocalyptic number.

It is an amenable number.

22635149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22635149 is an equidigital number, since it uses as much as digits as its factorization.

22635149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 22635149 is about 4757.6411171924. The cubic root of 22635149 is about 282.8749254809.

The spelling of 22635149 in words is "twenty-two million, six hundred thirty-five thousand, one hundred forty-nine".