2801666228 has 12 divisors (see below), whose sum is σ = 4941522432. Its totient is φ = 1389802680.

The previous prime is 2801666227. The next prime is 2801666237. The reversal of 2801666228 is 8226661082.

2801666228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801666227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757038 + ... + 2758053.

It is an arithmetic number, because the mean of its divisors is an integer number (411793536).

Almost surely, 2^2801666228 is an apocalyptic number.

It is an amenable number.

2801666228 is a deficient number, since it is larger than the sum of its proper divisors (2139856204).

2801666228 is a wasteful number, since it uses less digits than its factorization.

2801666228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515222 (or 5515220 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 2801666228 is about 52930.7682543906. The cubic root of 2801666228 is about 1409.7392720799.

The spelling of 2801666228 in words is "two billion, eight hundred one million, six hundred sixty-six thousand, two hundred twenty-eight".