22086868 has 12 divisors (see below), whose sum is σ = 38693620. Its totient is φ = 11031552.

The previous prime is 22086839. The next prime is 22086871. The reversal of 22086868 is 86868022.

It can be written as a sum of positive squares in 2 ways, for example, as 8749764 + 13337104 = 2958^2 + 3652^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22086868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218 + ... + 7006.

Almost surely, 2^22086868 is an apocalyptic number.

It is an amenable number.

22086868 is a deficient number, since it is larger than the sum of its proper divisors (16606752).

22086868 is a wasteful number, since it uses less digits than its factorization.

22086868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 22086868 is about 4699.6667966995. Note that the first 3 decimals coincide. The cubic root of 22086868 is about 280.5722480427.

The spelling of 22086868 in words is "twenty-two million, eighty-six thousand, eight hundred sixty-eight".