2812822 has 8 divisors (see below), whose sum is σ = 4248000. Its totient is φ = 1396824.

The previous prime is 2812819. The next prime is 2812829. The reversal of 2812822 is 2282182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812829) by changing a digit.

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, 4422 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (531000).

2^2812822 is an apocalyptic number.

2812822 is a deficient number, since it is larger than the sum of its proper divisors (1435178).

2812822 is a wasteful number, since it uses less digits than its factorization.

2812822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590.

The product of its digits is 1024, while the sum is 25.

The square root of 2812822 is about 1677.1469822290. The cubic root of 2812822 is about 141.1607910351.

It can be divided in two parts, 28128 and 22, that multiplied together give a palindrome (618816).

The spelling of 2812822 in words is "two million, eight hundred twelve thousand, eight hundred twenty-two".