8428227 has 4 divisors (see below), whose sum is σ = 11237640. Its totient is φ = 5618816.

The previous prime is 8428213. The next prime is 8428237. The reversal of 8428227 is 7228248.

8428227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8428227 - 2⁶ = 8428163 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁵ + 2 + 8⁷ + 2¹³ + 2¹⁹ + 7⁸ .

It is not an unprimeable number, because it can be changed into a prime (8428237) 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, 1404702 + ... + 1404707.

It is an arithmetic number, because the mean of its divisors is an integer number (2809410).

Almost surely, 2^8428227 is an apocalyptic number.

8428227 is a deficient number, since it is larger than the sum of its proper divisors (2809413).

8428227 is a wasteful number, since it uses less digits than its factorization.

8428227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809412.

The product of its digits is 14336, while the sum is 33.

The square root of 8428227 is about 2903.1408853171. The cubic root of 8428227 is about 203.5067137742.

The spelling of 8428227 in words is "eight million, four hundred twenty-eight thousand, two hundred twenty-seven".