22985646 has 16 divisors (see below), whose sum is σ = 46174800. Its totient is φ = 7627968.

The previous prime is 22985639. The next prime is 22985659. The reversal of 22985646 is 64658922.

It is a junction number, because it is equal to n+sod(n) for n = 22985598 and 22985607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (2885925).

Almost surely, 2^22985646 is an apocalyptic number.

22985646 is an abundant number, since it is smaller than the sum of its proper divisors (23189154).

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

22985646 is a wasteful number, since it uses less digits than its factorization.

22985646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963.

The product of its digits is 207360, while the sum is 42.

The square root of 22985646 is about 4794.3347818024. The cubic root of 22985646 is about 284.3275249975.

The spelling of 22985646 in words is "twenty-two million, nine hundred eighty-five thousand, six hundred forty-six".