228825186 has 16 divisors (see below), whose sum is σ = 457812000. Its totient is φ = 76248128.

The previous prime is 228825169. The next prime is 228825199. The reversal of 228825186 is 681528822.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19585 + ... + 29003.

It is an arithmetic number, because the mean of its divisors is an integer number (28613250).

Almost surely, 2^228825186 is an apocalyptic number.

228825186 is an abundant number, since it is smaller than the sum of its proper divisors (228986814).

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

228825186 is a wasteful number, since it uses less digits than its factorization.

228825186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473.

The product of its digits is 122880, while the sum is 42.

The square root of 228825186 is about 15126.9688305357. The cubic root of 228825186 is about 611.6475981784.

The spelling of 228825186 in words is "two hundred twenty-eight million, eight hundred twenty-five thousand, one hundred eighty-six".