228247177 has 4 divisors (see below), whose sum is σ = 231988996. Its totient is φ = 224505360.

The previous prime is 228247121. The next prime is 228247183. The reversal of 228247177 is 771742822.

228247177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121352256 + 106894921 = 11016^2 + 10339^2 .

It is a cyclic number.

It is not a de Polignac number, because 228247177 - 2¹⁹ = 227722889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228247477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870818 + ... + 1870939.

It is an arithmetic number, because the mean of its divisors is an integer number (57997249).

Almost surely, 2^228247177 is an apocalyptic number.

It is an amenable number.

228247177 is a deficient number, since it is larger than the sum of its proper divisors (3741819).

228247177 is an equidigital number, since it uses as much as digits as its factorization.

228247177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741818.

The product of its digits is 87808, while the sum is 40.

The square root of 228247177 is about 15107.8515017854. The cubic root of 228247177 is about 611.1321597072.

Adding to 228247177 its reverse (771742822), we get a palindrome (999989999).

The spelling of 228247177 in words is "two hundred twenty-eight million, two hundred forty-seven thousand, one hundred seventy-seven".