4011228 has 48 divisors (see below), whose sum is σ = 11203360. Its totient is φ = 1233792.

The previous prime is 4011221. The next prime is 4011239. The reversal of 4011228 is 8221104.

4011228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 4011228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25 + ... + 2832.

Almost surely, 2^4011228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4011228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601680).

4011228 is an abundant number, since it is smaller than the sum of its proper divisors (7192132).

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

4011228 is a wasteful number, since it uses less digits than its factorization.

4011228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4011228 is about 2002.8050329475. The cubic root of 4011228 is about 158.8884942657. Note that the first 3 decimals are identical.

The spelling of 4011228 in words is "four million, eleven thousand, two hundred twenty-eight".