4228028 has 24 divisors (see below), whose sum is σ = 8730624. Its totient is φ = 1753200.

The previous prime is 4227991. The next prime is 4228031. The reversal of 4228028 is 8208224.

It is a junction number, because it is equal to n+sod(n) for n = 4227988 and 4228006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (363776).

Almost surely, 2^4228028 is an apocalyptic number.

It is an amenable number.

4228028 is an abundant number, since it is smaller than the sum of its proper divisors (4502596).

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

4228028 is a wasteful number, since it uses less digits than its factorization.

4228028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 4228028 is about 2056.2169146274. The cubic root of 4228028 is about 161.7009674388.

The spelling of 4228028 in words is "four million, two hundred twenty-eight thousand, twenty-eight".