228095985 has 64 divisors (see below), whose sum is σ = 410941440. Its totient is φ = 107274240.

The previous prime is 228095983. The next prime is 228096013. The reversal of 228095985 is 589590822.

It is not a de Polignac number, because 228095985 - 2¹ = 228095983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228095983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 586171 + ... + 586559.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 2^228095985 is an apocalyptic number.

It is an amenable number.

228095985 is a deficient number, since it is larger than the sum of its proper divisors (182845455).

228095985 is a wasteful number, since it uses less digits than its factorization.

228095985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 228095985 is about 15102.8469170551. The cubic root of 228095985 is about 610.9971909657.

The spelling of 228095985 in words is "two hundred twenty-eight million, ninety-five thousand, nine hundred eighty-five".