22068353 has 2 divisors, whose sum is σ = 22068354. Its totient is φ = 22068352.

The previous prime is 22068341. The next prime is 22068379. The reversal of 22068353 is 35386022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16056049 + 6012304 = 4007^2 + 2452^2 .

It is a cyclic number.

It is not a de Polignac number, because 22068353 - 2⁴ = 22068337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22068323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11034176 + 11034177.

It is an arithmetic number, because the mean of its divisors is an integer number (11034177).

Almost surely, 2^22068353 is an apocalyptic number.

It is an amenable number.

22068353 is a deficient number, since it is larger than the sum of its proper divisors (1).

22068353 is an equidigital number, since it uses as much as digits as its factorization.

22068353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22068353 is about 4697.6965632105. The cubic root of 22068353 is about 280.4938266716.

The spelling of 22068353 in words is "twenty-two million, sixty-eight thousand, three hundred fifty-three".