228230188 has 6 divisors (see below), whose sum is σ = 399402836. Its totient is φ = 114115092.

The previous prime is 228230183. The next prime is 228230221. The reversal of 228230188 is 881032822.

It is not an unprimeable number, because it can be changed into a prime (228230183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28528770 + ... + 28528777.

Almost surely, 2^228230188 is an apocalyptic number.

It is an amenable number.

228230188 is a deficient number, since it is larger than the sum of its proper divisors (171172648).

228230188 is a wasteful number, since it uses less digits than its factorization.

228230188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57057551 (or 57057549 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 228230188 is about 15107.2892340089. The cubic root of 228230188 is about 611.1169966400.

The spelling of 228230188 in words is "two hundred twenty-eight million, two hundred thirty thousand, one hundred eighty-eight".