228146775 has 48 divisors (see below), whose sum is σ = 414378240. Its totient is φ = 110246400.

The previous prime is 228146767. The next prime is 228146797. The reversal of 228146775 is 577641822.

It is not a de Polignac number, because 228146775 - 2³ = 228146767 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 29295 + ... + 36255.

It is an arithmetic number, because the mean of its divisors is an integer number (8632880).

Almost surely, 2^228146775 is an apocalyptic number.

228146775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228146775 is a deficient number, since it is larger than the sum of its proper divisors (186231465).

228146775 is a wasteful number, since it uses less digits than its factorization.

228146775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016 (or 7011 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 228146775 is about 15104.5282945215. The cubic root of 228146775 is about 611.0425377295.

The spelling of 228146775 in words is "two hundred twenty-eight million, one hundred forty-six thousand, seven hundred seventy-five".