4228228 has 12 divisors (see below), whose sum is σ = 7721280. Its totient is φ = 2022152.

The previous prime is 4228199. The next prime is 4228243. The reversal of 4228228 is 8228224.

It is a d-powerful number, because it can be written as 4 + 2¹⁰ + 2¹⁵ + 8² + 2²¹ + 2²¹ + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 4228196 and 4228205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22888 + ... + 23071.

It is an arithmetic number, because the mean of its divisors is an integer number (643440).

Almost surely, 2^4228228 is an apocalyptic number.

It is an amenable number.

4228228 is a deficient number, since it is larger than the sum of its proper divisors (3493052).

4228228 is a wasteful number, since it uses less digits than its factorization.

4228228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45986 (or 45984 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 4228228 is about 2056.2655470537. The cubic root of 4228228 is about 161.7035170658.

Adding to 4228228 its product of digits (4096), we get a palindrome (4232324).

The spelling of 4228228 in words is "four million, two hundred twenty-eight thousand, two hundred twenty-eight".