2282243778 has 24 divisors (see below), whose sum is σ = 5235736428. Its totient is φ = 715997952.

The previous prime is 2282243753. The next prime is 2282243801. The reversal of 2282243778 is 8773422822.

It can be written as a sum of positive squares in 2 ways, for example, as 2081823129 + 200420649 = 45627^2 + 14157^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3728851 + ... + 3729462.

Almost surely, 2^2282243778 is an apocalyptic number.

2282243778 is an abundant number, since it is smaller than the sum of its proper divisors (2953492650).

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

2282243778 is a wasteful number, since it uses less digits than its factorization.

2282243778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458338 (or 7458335 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 2282243778 is about 47772.8351471838. The cubic root of 2282243778 is about 1316.6004845297.

The spelling of 2282243778 in words is "two billion, two hundred eighty-two million, two hundred forty-three thousand, seven hundred seventy-eight".