2822564 has 12 divisors (see below), whose sum is σ = 5199600. Its totient is φ = 1336968.

The previous prime is 2822557. The next prime is 2822569. The reversal of 2822564 is 4652282.

It is not an unprimeable number, because it can be changed into a prime (2822569) 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, 18494 + ... + 18645.

It is an arithmetic number, because the mean of its divisors is an integer number (433300).

2^2822564 is an apocalyptic number.

It is an amenable number.

2822564 is a deficient number, since it is larger than the sum of its proper divisors (2377036).

2822564 is a wasteful number, since it uses less digits than its factorization.

2822564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37162 (or 37160 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2822564 is about 1680.0488088148. The cubic root of 2822564 is about 141.3235698924.

The spelling of 2822564 in words is "two million, eight hundred twenty-two thousand, five hundred sixty-four".