4278228 has 24 divisors (see below), whose sum is σ = 10016160. Its totient is φ = 1421280.

The previous prime is 4278223. The next prime is 4278229. The reversal of 4278228 is 8228724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6163 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (417340).

Almost surely, 2^4278228 is an apocalyptic number.

It is an amenable number.

4278228 is an abundant number, since it is smaller than the sum of its proper divisors (5737932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4278228 is a wasteful number, since it uses less digits than its factorization.

4278228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 4278228 is about 2068.3877779565. The cubic root of 4278228 is about 162.3384176872.

The spelling of 4278228 in words is "four million, two hundred seventy-eight thousand, two hundred twenty-eight".