2773286244 has 81 divisors (see below), whose sum is σ = 7171182291. Its totient is φ = 903679920.

The previous prime is 2773286233. The next prime is 2773286261. The reversal of 2773286244 is 4426823772.

The square root of 2773286244 is 52662.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2773286244² = 15382233182319255072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2773286244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21170059 + ... + 21170189.

Almost surely, 2^2773286244 is an apocalyptic number.

2773286244 is the 52662-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773286244

2773286244 is an abundant number, since it is smaller than the sum of its proper divisors (4397896047).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2773286244 is a wasteful number, since it uses less digits than its factorization.

2773286244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 203 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The cubic root of 2773286244 is about 1404.9630388406.

The spelling of 2773286244 in words is "two billion, seven hundred seventy-three million, two hundred eighty-six thousand, two hundred forty-four".