22909349 has 2 divisors, whose sum is σ = 22909350. Its totient is φ = 22909348.

The previous prime is 22909339. The next prime is 22909373. The reversal of 22909349 is 94390922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18645124 + 4264225 = 4318^2 + 2065^2 .

It is a cyclic number.

It is not a de Polignac number, because 22909349 - 2¹⁶ = 22843813 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 (22909339) 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, 11454674 + 11454675.

It is an arithmetic number, because the mean of its divisors is an integer number (11454675).

Almost surely, 2^22909349 is an apocalyptic number.

It is an amenable number.

22909349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22909349 is an equidigital number, since it uses as much as digits as its factorization.

22909349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 22909349 is about 4786.3711724019. The cubic root of 22909349 is about 284.0125837511.

The spelling of 22909349 in words is "twenty-two million, nine hundred nine thousand, three hundred forty-nine".