22108 has 6 divisors (see below), whose sum is σ = 38696. Its totient is φ = 11052.

The previous prime is 22093. The next prime is 22109. The reversal of 22108 is 80122.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760 + ... + 2767.

2²²¹⁰⁸ is an apocalyptic number.

It is an amenable number.

22108 is a deficient number, since it is larger than the sum of its proper divisors (16588).

22108 is a wasteful number, since it uses less digits than its factorization.

22108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22108 is about 148.6875919504. The cubic root of 22108 is about 28.0661700334.

The spelling of 22108 in words is "twenty-two thousand, one hundred eight".