22564282 has 8 divisors (see below), whose sum is σ = 36450036. Its totient is φ = 10414272.

The previous prime is 22564279. The next prime is 22564303. The reversal of 22564282 is 28246522.

It can be written as a sum of positive squares in 2 ways, for example, as 16168441 + 6395841 = 4021^2 + 2529^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433903 + ... + 433954.

Almost surely, 2^22564282 is an apocalyptic number.

22564282 is a deficient number, since it is larger than the sum of its proper divisors (13885754).

22564282 is a wasteful number, since it uses less digits than its factorization.

22564282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867872.

The product of its digits is 15360, while the sum is 31.

The square root of 22564282 is about 4750.1875752437. The cubic root of 22564282 is about 282.5794049375.

The spelling of 22564282 in words is "twenty-two million, five hundred sixty-four thousand, two hundred eighty-two".