22108490 has 16 divisors (see below), whose sum is σ = 40244040. Its totient is φ = 8743680.

The previous prime is 22108453. The next prime is 22108507. The reversal of 22108490 is 9480122.

It can be written as a sum of positive squares in 4 ways, for example, as 8720209 + 13388281 = 2953^2 + 3659^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11531 + ... + 13310.

Almost surely, 2^22108490 is an apocalyptic number.

22108490 is a deficient number, since it is larger than the sum of its proper divisors (18135550).

22108490 is a wasteful number, since it uses less digits than its factorization.

22108490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22108490 is about 4701.9666098347. The cubic root of 22108490 is about 280.6637738399.

The spelling of 22108490 in words is "twenty-two million, one hundred eight thousand, four hundred ninety".