22298117 has 2 divisors, whose sum is σ = 22298118. Its totient is φ = 22298116.

The previous prime is 22298113. The next prime is 22298119. The reversal of 22298117 is 71189222.

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., 21659716 + 638401 = 4654^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 22298117 - 2² = 22298113 is a prime.

Together with 22298119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22298113) 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, 11149058 + 11149059.

It is an arithmetic number, because the mean of its divisors is an integer number (11149059).

Almost surely, 2^22298117 is an apocalyptic number.

It is an amenable number.

22298117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22298117 is an equidigital number, since it uses as much as digits as its factorization.

22298117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 22298117 is about 4722.0882033270. The cubic root of 22298117 is about 281.4639187665.

The spelling of 22298117 in words is "twenty-two million, two hundred ninety-eight thousand, one hundred seventeen".