22985866 has 8 divisors (see below), whose sum is σ = 34538724. Its totient is φ = 11472960.

The previous prime is 22985863. The next prime is 22985873. The reversal of 22985866 is 66858922.

It can be written as a sum of positive squares in 2 ways, for example, as 22043025 + 942841 = 4695^2 + 971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22985863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8505 + ... + 10876.

Almost surely, 2^22985866 is an apocalyptic number.

22985866 is a deficient number, since it is larger than the sum of its proper divisors (11552858).

22985866 is a wasteful number, since it uses less digits than its factorization.

22985866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976.

The product of its digits is 414720, while the sum is 46.

The square root of 22985866 is about 4794.3577254936. The cubic root of 22985866 is about 284.3284321122.

The spelling of 22985866 in words is "twenty-two million, nine hundred eighty-five thousand, eight hundred sixty-six".