2749228228 has 6 divisors (see below), whose sum is σ = 4811149406. Its totient is φ = 1374614112.

The previous prime is 2749228213. The next prime is 2749228247. The reversal of 2749228228 is 8228229472.

It can be written as a sum of positive squares in only one way, i.e., 2319578244 + 429649984 = 48162^2 + 20728^2 .

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 as a sum of consecutive naturals, namely, 343653525 + ... + 343653532.

Almost surely, 2^2749228228 is an apocalyptic number.

It is an amenable number.

2749228228 is a deficient number, since it is larger than the sum of its proper divisors (2061921178).

2749228228 is a wasteful number, since it uses less digits than its factorization.

2749228228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687307061 (or 687307059 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 2749228228 is about 52433.0833348564. The cubic root of 2749228228 is about 1400.8885903076. Note that the first 3 decimals are identical.

The spelling of 2749228228 in words is "two billion, seven hundred forty-nine million, two hundred twenty-eight thousand, two hundred twenty-eight".