22697 has 2 divisors, whose sum is σ = 22698. Its totient is φ = 22696.

The previous prime is 22691. The next prime is 22699. The reversal of 22697 is 79622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11881 + 10816 = 109^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 22697 - 2⁸ = 22441 is a prime.

Together with 22699, 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 (22691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11348 + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (11349).

2²²⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

22697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22697 is an equidigital number, since it uses as much as digits as its factorization.

22697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 22697 is about 150.6552355546. The cubic root of 22697 is about 28.3132344963.

It can be divided in two parts, 226 and 97, that added together give a palindrome (323).

The spelling of 22697 in words is "twenty-two thousand, six hundred ninety-seven".