22094393 has 2 divisors, whose sum is σ = 22094394. Its totient is φ = 22094392.

The previous prime is 22094363. The next prime is 22094411. The reversal of 22094393 is 39349022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11648569 + 10445824 = 3413^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 22094393 - 2¹⁰ = 22093369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22094333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11047196 + 11047197.

It is an arithmetic number, because the mean of its divisors is an integer number (11047197).

Almost surely, 2^22094393 is an apocalyptic number.

It is an amenable number.

22094393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22094393 is an equidigital number, since it uses as much as digits as its factorization.

22094393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 22094393 is about 4700.4673171930. The cubic root of 22094393 is about 280.6041080969.

The spelling of 22094393 in words is "twenty-two million, ninety-four thousand, three hundred ninety-three".