22094297 has 2 divisors, whose sum is σ = 22094298. Its totient is φ = 22094296.

The previous prime is 22094287. The next prime is 22094299. The reversal of 22094297 is 79249022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19456921 + 2637376 = 4411^2 + 1624^2 .

It is a cyclic number.

It is not a de Polignac number, because 22094297 - 2²⁰ = 21045721 is a prime.

Together with 22094299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22094299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11047148 + 11047149.

It is an arithmetic number, because the mean of its divisors is an integer number (11047149).

Almost surely, 2^22094297 is an apocalyptic number.

22094297 is the 2513-rd centered heptagonal number.

It is an amenable number.

22094297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22094297 is an equidigital number, since it uses as much as digits as its factorization.

22094297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 22094297 is about 4700.4571054313. The cubic root of 22094297 is about 280.6037016886.

The spelling of 22094297 in words is "twenty-two million, ninety-four thousand, two hundred ninety-seven".