7185228 has 24 divisors (see below), whose sum is σ = 16827888. Its totient is φ = 2386176.

The previous prime is 7185221. The next prime is 7185247. The reversal of 7185228 is 8225817.

7185228 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (7185221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 4712.

It is an arithmetic number, because the mean of its divisors is an integer number (701162).

Almost surely, 2^7185228 is an apocalyptic number.

It is an amenable number.

7185228 is an abundant number, since it is smaller than the sum of its proper divisors (9642660).

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

7185228 is a wasteful number, since it uses less digits than its factorization.

7185228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2231 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 7185228 is about 2680.5275600150. The cubic root of 7185228 is about 192.9657290129.

The spelling of 7185228 in words is "seven million, one hundred eighty-five thousand, two hundred twenty-eight".