2782244 has 6 divisors (see below), whose sum is σ = 4868934. Its totient is φ = 1391120.

The previous prime is 2782217. The next prime is 2782279. The reversal of 2782244 is 4422872.

2782244 is digitally balanced in base 5, 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., 1721344 + 1060900 = 1312^2 + 1030^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347777 + ... + 347784.

It is an arithmetic number, because the mean of its divisors is an integer number (811489).

2^2782244 is an apocalyptic number.

It is an amenable number.

2782244 is a deficient number, since it is larger than the sum of its proper divisors (2086690).

2782244 is a wasteful number, since it uses less digits than its factorization.

2782244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695565 (or 695563 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2782244 is about 1668.0059951931. The cubic root of 2782244 is about 140.6474096961.

The spelling of 2782244 in words is "two million, seven hundred eighty-two thousand, two hundred forty-four".