2728448228 has 24 divisors (see below), whose sum is σ = 5349638784. Its totient is φ = 1206684000.

The previous prime is 2728448189. The next prime is 2728448237. The reversal of 2728448228 is 8228448272.

It is a super-3 number, since 3×2728448228³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836348 + ... + 839603.

It is an arithmetic number, because the mean of its divisors is an integer number (222901616).

Almost surely, 2^2728448228 is an apocalyptic number.

It is an amenable number.

2728448228 is a deficient number, since it is larger than the sum of its proper divisors (2621190556).

2728448228 is a wasteful number, since it uses less digits than its factorization.

2728448228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676003 (or 1676001 counting only the distinct ones).

The product of its digits is 917504, while the sum is 47.

The square root of 2728448228 is about 52234.5501368586. The cubic root of 2728448228 is about 1397.3501283954.

The spelling of 2728448228 in words is "two billion, seven hundred twenty-eight million, four hundred forty-eight thousand, two hundred twenty-eight".