2822566 has 4 divisors (see below), whose sum is σ = 4233852. Its totient is φ = 1411282.

The previous prime is 2822557. The next prime is 2822569. The reversal of 2822566 is 6652282.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 705640 + ... + 705643.

It is an arithmetic number, because the mean of its divisors is an integer number (1058463).

2^2822566 is an apocalyptic number.

2822566 is a deficient number, since it is larger than the sum of its proper divisors (1411286).

2822566 is a wasteful number, since it uses less digits than its factorization.

2822566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411285.

The product of its digits is 11520, while the sum is 31.

The square root of 2822566 is about 1680.0494040355. The cubic root of 2822566 is about 141.3236032718.

The spelling of 2822566 in words is "two million, eight hundred twenty-two thousand, five hundred sixty-six".