8228028 has 12 divisors (see below), whose sum is σ = 19198760. Its totient is φ = 2742672.

The previous prime is 8228021. The next prime is 8228029. The reversal of 8228028 is 8208228.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 8227986 and 8228004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8228021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342823 + ... + 342846.

Almost surely, 2^8228028 is an apocalyptic number.

It is an amenable number.

8228028 is an abundant number, since it is smaller than the sum of its proper divisors (10970732).

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

8228028 is a wasteful number, since it uses less digits than its factorization.

8228028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685676 (or 685674 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 8228028 is about 2868.4539389713. The cubic root of 8228028 is about 201.8824594751.

The spelling of 8228028 in words is "eight million, two hundred twenty-eight thousand, twenty-eight".