22085508 has 12 divisors (see below), whose sum is σ = 51532880. Its totient is φ = 7361832.

The previous prime is 22085489. The next prime is 22085513. The reversal of 22085508 is 80558022.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920218 + ... + 920241.

Almost surely, 2^22085508 is an apocalyptic number.

It is an amenable number.

22085508 is an abundant number, since it is smaller than the sum of its proper divisors (29447372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22085508 is a wasteful number, since it uses less digits than its factorization.

22085508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840466 (or 1840464 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 22085508 is about 4699.5221033633. The cubic root of 22085508 is about 280.5664891744.

The spelling of 22085508 in words is "twenty-two million, eighty-five thousand, five hundred eight".