2812244 has 12 divisors (see below), whose sum is σ = 4970868. Its totient is φ = 1392000.

The previous prime is 2812241. The next prime is 2812261. The reversal of 2812244 is 4422182.

It is a happy number.

2812244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2496400 + 315844 = 1580^2 + 562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (414239).

2^2812244 is an apocalyptic number.

It is an amenable number.

2812244 is a deficient number, since it is larger than the sum of its proper divisors (2158624).

2812244 is a wasteful number, since it uses less digits than its factorization.

2812244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066 (or 7064 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 2812244 is about 1676.9746569343. The cubic root of 2812244 is about 141.1511214427.

The spelling of 2812244 in words is "two million, eight hundred twelve thousand, two hundred forty-four".