22296149 has 2 divisors, whose sum is σ = 22296150. Its totient is φ = 22296148.

The previous prime is 22296137. The next prime is 22296151. The reversal of 22296149 is 94169222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 970225 = 4618^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 22296149 - 2²⁰ = 21247573 is a prime.

It is a Sophie Germain prime.

Together with 22296151, it forms a pair of twin primes.

It is a Chen 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 (22296349) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11148074 + 11148075.

It is an arithmetic number, because the mean of its divisors is an integer number (11148075).

Almost surely, 2^22296149 is an apocalyptic number.

It is an amenable number.

22296149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22296149 is an equidigital number, since it uses as much as digits as its factorization.

22296149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 22296149 is about 4721.8798163443. The cubic root of 22296149 is about 281.4556379882.

The spelling of 22296149 in words is "twenty-two million, two hundred ninety-six thousand, one hundred forty-nine".