228888068 has 48 divisors (see below), whose sum is σ = 450742320. Its totient is φ = 101154816.

The previous prime is 228888061. The next prime is 228888071. The reversal of 228888068 is 860888822.

It can be written as a sum of positive squares in 8 ways, for example, as 109160704 + 119727364 = 10448^2 + 10942^2 .

It is not an unprimeable number, because it can be changed into a prime (228888061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71396 + ... + 74532.

It is an arithmetic number, because the mean of its divisors is an integer number (9390465).

Almost surely, 2^228888068 is an apocalyptic number.

It is an amenable number.

228888068 is a deficient number, since it is larger than the sum of its proper divisors (221854252).

228888068 is a wasteful number, since it uses less digits than its factorization.

228888068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 50.

The square root of 228888068 is about 15129.0471610079. The cubic root of 228888068 is about 611.7036207144.

The spelling of 228888068 in words is "two hundred twenty-eight million, eight hundred eighty-eight thousand, sixty-eight".