228130275 has 48 divisors (see below), whose sum is σ = 386086400. Its totient is φ = 118834560.

The previous prime is 228130267. The next prime is 228130289. The reversal of 228130275 is 572031822.

It is not a de Polignac number, because 228130275 - 2³ = 228130267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 823437 + ... + 823713.

Almost surely, 2^228130275 is an apocalyptic number.

228130275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228130275 is a deficient number, since it is larger than the sum of its proper divisors (157956125).

228130275 is a wasteful number, since it uses less digits than its factorization.

228130275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 228130275 is about 15103.9820908262. The cubic root of 228130275 is about 611.0278067960.

The spelling of 228130275 in words is "two hundred twenty-eight million, one hundred thirty thousand, two hundred seventy-five".