2813224 has 8 divisors (see below), whose sum is σ = 5274810. Its totient is φ = 1406608.

The previous prime is 2813207. The next prime is 2813227. The reversal of 2813224 is 4223182.

2813224 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 only one way, i.e., 1416100 + 1397124 = 1190^2 + 1182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2813195 and 2813204.

It is not an unprimeable number, because it can be changed into a prime (2813227) 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 as a sum of consecutive naturals, namely, 175819 + ... + 175834.

2^2813224 is an apocalyptic number.

It is an amenable number.

2813224 is a deficient number, since it is larger than the sum of its proper divisors (2461586).

2813224 is a wasteful number, since it uses less digits than its factorization.

2813224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351659 (or 351655 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2813224 is about 1677.2668243306. The cubic root of 2813224 is about 141.1675154723.

The spelling of 2813224 in words is "two million, eight hundred thirteen thousand, two hundred twenty-four".