8013228 has 12 divisors (see below), whose sum is σ = 18697560. Its totient is φ = 2671072.

The previous prime is 8013157. The next prime is 8013233. The reversal of 8013228 is 8223108.

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 = 8013198 and 8013207.

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, 333873 + ... + 333896.

It is an arithmetic number, because the mean of its divisors is an integer number (1558130).

Almost surely, 2^8013228 is an apocalyptic number.

It is an amenable number.

8013228 is an abundant number, since it is smaller than the sum of its proper divisors (10684332).

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

8013228 is a wasteful number, since it uses less digits than its factorization.

8013228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667776 (or 667774 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8013228 is about 2830.7645610329. The cubic root of 8013228 is about 200.1101726321.

The spelling of 8013228 in words is "eight million, thirteen thousand, two hundred twenty-eight".