228686075 has 24 divisors (see below), whose sum is σ = 289386240. Its totient is φ = 179229600.

The previous prime is 228686063. The next prime is 228686099. The reversal of 228686075 is 570686822.

It is not a de Polignac number, because 228686075 - 2¹² = 228681979 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 520706 + ... + 521144.

It is an arithmetic number, because the mean of its divisors is an integer number (12057760).

Almost surely, 2^228686075 is an apocalyptic number.

228686075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228686075 is a deficient number, since it is larger than the sum of its proper divisors (60700165).

228686075 is a wasteful number, since it uses less digits than its factorization.

228686075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 228686075 is about 15122.3700192794. The cubic root of 228686075 is about 611.5236255819.

The spelling of 228686075 in words is "two hundred twenty-eight million, six hundred eighty-six thousand, seventy-five".