8028220 has 12 divisors (see below), whose sum is σ = 16859304. Its totient is φ = 3211280.

The previous prime is 8028193. The next prime is 8028227. The reversal of 8028220 is 228208.

It is a junction number, because it is equal to n+sod(n) for n = 8028191 and 8028200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028227) 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, 200686 + ... + 200725.

It is an arithmetic number, because the mean of its divisors is an integer number (1404942).

Almost surely, 2^8028220 is an apocalyptic number.

It is an amenable number.

8028220 is an abundant number, since it is smaller than the sum of its proper divisors (8831084).

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

8028220 is a wasteful number, since it uses less digits than its factorization.

8028220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401420 (or 401418 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 8028220 is about 2833.4113714743. The cubic root of 8028220 is about 200.2348906905.

The spelling of 8028220 in words is "eight million, twenty-eight thousand, two hundred twenty".