2228028 has 24 divisors (see below), whose sum is σ = 5671680. Its totient is φ = 675120.

The previous prime is 2228027. The next prime is 2228053. The reversal of 2228028 is 8208222.

2228028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2227989 and 2228007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228027) 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, 8308 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (236320).

2^2228028 is an apocalyptic number.

It is an amenable number.

2228028 is an abundant number, since it is smaller than the sum of its proper divisors (3443652).

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

2228028 is a wasteful number, since it uses less digits than its factorization.

2228028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16897 (or 16895 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2228028 is about 1492.6580318345. The cubic root of 2228028 is about 130.6091334711.

It can be divided in two parts, 22 and 28028, that multiplied together give a palindrome (616616).

The spelling of 2228028 in words is "two million, two hundred twenty-eight thousand, twenty-eight".