8190228 has 12 divisors (see below), whose sum is σ = 19110560. Its totient is φ = 2730072.

The previous prime is 8190227. The next prime is 8190233. The reversal of 8190228 is 8220918.

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 = 8190195 and 8190204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341248 + ... + 341271.

Almost surely, 2^8190228 is an apocalyptic number.

It is an amenable number.

8190228 is an abundant number, since it is smaller than the sum of its proper divisors (10920332).

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

8190228 is a wasteful number, since it uses less digits than its factorization.

8190228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682526 (or 682524 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8190228 is about 2861.8574387974. The cubic root of 8190228 is about 201.5728319083.

It can be divided in two parts, 81 and 90228, that added together give a palindrome (90309).

The spelling of 8190228 in words is "eight million, one hundred ninety thousand, two hundred twenty-eight".