22806328 has 16 divisors (see below), whose sum is σ = 44141760. Its totient is φ = 11035200.

The previous prime is 22806323. The next prime is 22806337. The reversal of 22806328 is 82360822.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 22806328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22806323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45733 + ... + 46228.

It is an arithmetic number, because the mean of its divisors is an integer number (2758860).

Almost surely, 2^22806328 is an apocalyptic number.

It is an amenable number.

22806328 is a deficient number, since it is larger than the sum of its proper divisors (21335432).

22806328 is a wasteful number, since it uses less digits than its factorization.

22806328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91998 (or 91994 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 22806328 is about 4775.5971354376. The cubic root of 22806328 is about 283.5862188214.

The spelling of 22806328 in words is "twenty-two million, eight hundred six thousand, three hundred twenty-eight".