22297 has 4 divisors (see below), whose sum is σ = 24336. Its totient is φ = 20260.

The previous prime is 22291. The next prime is 22303. The reversal of 22297 is 79222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22291) and next prime (22303).

It is a cyclic number.

It is not a de Polignac number, because 22297 - 2¹¹ = 20249 is a prime.

It is a Duffinian number.

22297 is a modest number, since divided by 297 gives 22 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003 + ... + 1024.

It is an arithmetic number, because the mean of its divisors is an integer number (6084).

2²²²⁹⁷ is an apocalyptic number.

It is an amenable number.

22297 is a deficient number, since it is larger than the sum of its proper divisors (2039).

22297 is a wasteful number, since it uses less digits than its factorization.

22297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its digits is 504, while the sum is 22.

The square root of 22297 is about 149.3218001499. The cubic root of 22297 is about 28.1459218811.

Adding to 22297 its product of digits (504), we get a square (22801 = 151²).

The spelling of 22297 in words is "twenty-two thousand, two hundred ninety-seven".