22208 has 14 divisors (see below), whose sum is σ = 44196. Its totient is φ = 11072.

The previous prime is 22193. The next prime is 22229. The reversal of 22208 is 80222.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 22192 and 22201.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22208.

It is an unprimeable number.

22208 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 as a sum of consecutive naturals, namely, 110 + ... + 237.

2²²²⁰⁸ is an apocalyptic number.

It is an amenable number.

22208 is a deficient number, since it is larger than the sum of its proper divisors (21988).

22208 is an equidigital number, since it uses as much as digits as its factorization.

22208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22208 is about 149.0234880816. The cubic root of 22208 is about 28.1084231534.

Adding to 22208 its sum of digits (14), we get a palindrome (22222).

The spelling of 22208 in words is "twenty-two thousand, two hundred eight".