22268 has 12 divisors (see below), whose sum is σ = 41160. Its totient is φ = 10512.

The previous prime is 22259. The next prime is 22271. The reversal of 22268 is 86222.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

22268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 222.

It is an arithmetic number, because the mean of its divisors is an integer number (3430).

2²²²⁶⁸ is an apocalyptic number.

It is an amenable number.

22268 is a deficient number, since it is larger than the sum of its proper divisors (18892).

22268 is a wasteful number, since it uses less digits than its factorization.

22268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 22268 is about 149.2246628410. The cubic root of 22268 is about 28.1337141722.

The spelling of 22268 in words is "twenty-two thousand, two hundred sixty-eight".