22094287 has 2 divisors, whose sum is σ = 22094288. Its totient is φ = 22094286.

The previous prime is 22094273. The next prime is 22094297. The reversal of 22094287 is 78249022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22094287 - 2⁷ = 22094159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22094297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11047143 + 11047144.

It is an arithmetic number, because the mean of its divisors is an integer number (11047144).

Almost surely, 2^22094287 is an apocalyptic number.

22094287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22094287 is an equidigital number, since it uses as much as digits as its factorization.

22094287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22094287 is about 4700.4560417049. The cubic root of 22094287 is about 280.6036593544.

The spelling of 22094287 in words is "twenty-two million, ninety-four thousand, two hundred eighty-seven".