8270228 has 12 divisors (see below), whose sum is σ = 15324372. Its totient is φ = 3891840.

The previous prime is 8270221. The next prime is 8270231. The reversal of 8270228 is 8220728.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 4318084 = 1988^2 + 2078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8270228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8270221) 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, 60743 + ... + 60878.

It is an arithmetic number, because the mean of its divisors is an integer number (1277031).

Almost surely, 2^8270228 is an apocalyptic number.

It is an amenable number.

8270228 is a deficient number, since it is larger than the sum of its proper divisors (7054144).

8270228 is a wasteful number, since it uses less digits than its factorization.

8270228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121642 (or 121640 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 8270228 is about 2875.8004103206. The cubic root of 8270228 is about 202.2270100885.

The spelling of 8270228 in words is "eight million, two hundred seventy thousand, two hundred twenty-eight".