22108090 has 16 divisors (see below), whose sum is σ = 39868200. Its totient is φ = 8826880.

The previous prime is 22108087. The next prime is 22108127. The reversal of 22108090 is 9080122.

It can be written as a sum of positive squares in 4 ways, for example, as 15342889 + 6765201 = 3917^2 + 2601^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4686 + ... + 8134.

Almost surely, 2^22108090 is an apocalyptic number.

22108090 is a deficient number, since it is larger than the sum of its proper divisors (17760110).

22108090 is a wasteful number, since it uses less digits than its factorization.

22108090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 22108090 is about 4701.9240742488. The cubic root of 22108090 is about 280.6620811842.

The spelling of 22108090 in words is "twenty-two million, one hundred eight thousand, ninety".