8228228 has 24 divisors (see below), whose sum is σ = 15082200. Its totient is φ = 3922688.

The previous prime is 8228201. The next prime is 8228263.

It is a happy number.

8228228 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 432964 + 7795264 = 658^2 + 2792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8228194 and 8228203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9926 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (628425).

Almost surely, 2^8228228 is an apocalyptic number.

It is an amenable number.

8228228 is a deficient number, since it is larger than the sum of its proper divisors (6853972).

8228228 is a wasteful number, since it uses less digits than its factorization.

8228228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 8228228 is about 2868.4888007451. The cubic root of 8228228 is about 201.8840951916.

The spelling of 8228228 in words is "eight million, two hundred twenty-eight thousand, two hundred twenty-eight".