22086764 has 12 divisors (see below), whose sum is σ = 44173584. Its totient is φ = 9465744.

The previous prime is 22086763. The next prime is 22086767. The reversal of 22086764 is 46768022.

22086764 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22086763) 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, 394379 + ... + 394434.

It is an arithmetic number, because the mean of its divisors is an integer number (3681132).

Almost surely, 2^22086764 is an apocalyptic number.

It is an amenable number.

22086764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22086764 is a wasteful number, since it uses less digits than its factorization.

22086764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788824 (or 788822 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 22086764 is about 4699.6557320723. The cubic root of 22086764 is about 280.5718076670.

The spelling of 22086764 in words is "twenty-two million, eighty-six thousand, seven hundred sixty-four".