228728127 has 8 divisors (see below), whose sum is σ = 305584000. Its totient is φ = 152178840.

The previous prime is 228728113. The next prime is 228728141. The reversal of 228728127 is 721827822.

It is an interprime number because it is at equal distance from previous prime (228728113) and next prime (228728141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228728127 - 2⁴ = 228728111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228728197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74899 + ... + 77892.

It is an arithmetic number, because the mean of its divisors is an integer number (38198000).

Almost surely, 2^228728127 is an apocalyptic number.

228728127 is a deficient number, since it is larger than the sum of its proper divisors (76855873).

228728127 is a wasteful number, since it uses less digits than its factorization.

228728127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153293.

The product of its digits is 50176, while the sum is 39.

The square root of 228728127 is about 15123.7603458928. The cubic root of 228728127 is about 611.5611066797.

The spelling of 228728127 in words is "two hundred twenty-eight million, seven hundred twenty-eight thousand, one hundred twenty-seven".