2864228 has 24 divisors (see below), whose sum is σ = 5389272. Its totient is φ = 1327104.

The previous prime is 2864221. The next prime is 2864237. The reversal of 2864228 is 8224682.

It is a happy number.

2864228 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 4 ways, for example, as 1827904 + 1036324 = 1352^2 + 1018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2864194 and 2864203.

It is not an unprimeable number, because it can be changed into a prime (2864221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (224553).

2^2864228 is an apocalyptic number.

It is an amenable number.

2864228 is a deficient number, since it is larger than the sum of its proper divisors (2525044).

2864228 is a wasteful number, since it uses less digits than its factorization.

2864228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 2864228 is about 1692.4030252868. The cubic root of 2864228 is about 142.0155375447.

The spelling of 2864228 in words is "two million, eight hundred sixty-four thousand, two hundred twenty-eight".