228228275 has 18 divisors (see below), whose sum is σ = 309069876. Its totient is φ = 165802000.

The previous prime is 228228239. The next prime is 228228277. The reversal of 228228275 is 572822822.

It is not a de Polignac number, because 228228275 - 2¹⁸ = 227966131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228228277) 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 17 ways as a sum of consecutive naturals, for example, 250070 + ... + 250980.

Almost surely, 2^228228275 is an apocalyptic number.

228228275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228228275 is a deficient number, since it is larger than the sum of its proper divisors (80841601).

228228275 is an frugal number, since it uses more digits than its factorization.

228228275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 927 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 228228275 is about 15107.2259200688. The cubic root of 228228275 is about 611.1152891970.

The spelling of 228228275 in words is "two hundred twenty-eight million, two hundred twenty-eight thousand, two hundred seventy-five".