2775208228 has 12 divisors (see below), whose sum is σ = 5230200220. Its totient is φ = 1280865312.

The previous prime is 2775208217. The next prime is 2775208297. The reversal of 2775208228 is 8228025772.

It can be written as a sum of positive squares in 2 ways, for example, as 312865344 + 2462342884 = 17688^2 + 49622^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26684643 + ... + 26684746.

Almost surely, 2^2775208228 is an apocalyptic number.

It is an amenable number.

2775208228 is a deficient number, since it is larger than the sum of its proper divisors (2454991992).

2775208228 is a wasteful number, since it uses less digits than its factorization.

2775208228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53369406 (or 53369404 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 2775208228 is about 52680.2451399004. The cubic root of 2775208228 is about 1405.2875266719.

The spelling of 2775208228 in words is "two billion, seven hundred seventy-five million, two hundred eight thousand, two hundred twenty-eight".