8428226 has 8 divisors (see below), whose sum is σ = 13386060. Its totient is φ = 3966208.

The previous prime is 8428213. The next prime is 8428237. The reversal of 8428226 is 6228248.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8404201 + 24025 = 2899^2 + 155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8428192 and 8428201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123911 + ... + 123978.

Almost surely, 2^8428226 is an apocalyptic number.

8428226 is a deficient number, since it is larger than the sum of its proper divisors (4957834).

8428226 is a wasteful number, since it uses less digits than its factorization.

8428226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247908.

The product of its digits is 12288, while the sum is 32.

The square root of 8428226 is about 2903.1407130899. The cubic root of 8428226 is about 203.5067057255.

The spelling of 8428226 in words is "eight million, four hundred twenty-eight thousand, two hundred twenty-six".