2891054228 has 12 divisors (see below), whose sum is σ = 5068700532. Its totient is φ = 1442854080.

The previous prime is 2891054219. The next prime is 2891054261. The reversal of 2891054228 is 8224501982.

It is a happy number.

2891054228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 545783044 + 2345271184 = 23362^2 + 48428^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665825 + ... + 670152.

It is an arithmetic number, because the mean of its divisors is an integer number (422391711).

Almost surely, 2^2891054228 is an apocalyptic number.

It is an amenable number.

2891054228 is a deficient number, since it is larger than the sum of its proper divisors (2177646304).

2891054228 is a wasteful number, since it uses less digits than its factorization.

2891054228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336522 (or 1336520 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2891054228 is about 53768.5245101630. The cubic root of 2891054228 is about 1424.5753084272.

It can be divided in two parts, 28910 and 54228, that added together give a palindrome (83138).

The spelling of 2891054228 in words is "two billion, eight hundred ninety-one million, fifty-four thousand, two hundred twenty-eight".