2807228 has 12 divisors (see below), whose sum is σ = 4927272. Its totient is φ = 1399440.

The previous prime is 2807213. The next prime is 2807239. The reversal of 2807228 is 8227082.

2807228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2807228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (410606).

2^2807228 is an apocalyptic number.

It is an amenable number.

2807228 is a deficient number, since it is larger than the sum of its proper divisors (2120044).

2807228 is a wasteful number, since it uses less digits than its factorization.

2807228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2807228 is about 1675.4784391331. The cubic root of 2807228 is about 141.0671510869.

The spelling of 2807228 in words is "two million, eight hundred seven thousand, two hundred twenty-eight".