16822564 has 12 divisors (see below), whose sum is σ = 32115888. Its totient is φ = 7646600.

The previous prime is 16822529. The next prime is 16822567. The reversal of 16822564 is 46522861.

It is not an unprimeable number, because it can be changed into a prime (16822567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191122 + ... + 191209.

It is an arithmetic number, because the mean of its divisors is an integer number (2676324).

Almost surely, 2^16822564 is an apocalyptic number.

It is an amenable number.

16822564 is a deficient number, since it is larger than the sum of its proper divisors (15293324).

16822564 is a wasteful number, since it uses less digits than its factorization.

16822564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382346 (or 382344 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 16822564 is about 4101.5319089335. The cubic root of 16822564 is about 256.2304443534.

The spelling of 16822564 in words is "sixteen million, eight hundred twenty-two thousand, five hundred sixty-four".