8111228 has 6 divisors (see below), whose sum is σ = 14194656. Its totient is φ = 4055612.

The previous prime is 8111189. The next prime is 8111239. The reversal of 8111228 is 8221118.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013900 + ... + 1013907.

It is an arithmetic number, because the mean of its divisors is an integer number (2365776).

Almost surely, 2^8111228 is an apocalyptic number.

It is an amenable number.

8111228 is a deficient number, since it is larger than the sum of its proper divisors (6083428).

8111228 is a wasteful number, since it uses less digits than its factorization.

8111228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027811 (or 2027809 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

The square root of 8111228 is about 2848.0217695797. The cubic root of 8111228 is about 200.9226371583.

The spelling of 8111228 in words is "eight million, one hundred eleven thousand, two hundred twenty-eight".