22911349 has 2 divisors, whose sum is σ = 22911350. Its totient is φ = 22911348.

The previous prime is 22911347. The next prime is 22911373. The reversal of 22911349 is 94311922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 10080625 = 3582^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 22911349 - 2¹ = 22911347 is a prime.

Together with 22911347, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22911349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22911341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11455674 + 11455675.

It is an arithmetic number, because the mean of its divisors is an integer number (11455675).

Almost surely, 2^22911349 is an apocalyptic number.

It is an amenable number.

22911349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22911349 is an equidigital number, since it uses as much as digits as its factorization.

22911349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 22911349 is about 4786.5800943889. The cubic root of 22911349 is about 284.0208483339.

The spelling of 22911349 in words is "twenty-two million, nine hundred eleven thousand, three hundred forty-nine".