228127660 has 24 divisors (see below), whose sum is σ = 489263040. Its totient is φ = 89309184.

The previous prime is 228127657. The next prime is 228127663. The reversal of 228127660 is 66721822.

It is an interprime number because it is at equal distance from previous prime (228127657) and next prime (228127663).

It is not an unprimeable number, because it can be changed into a prime (228127663) 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, 120405 + ... + 122284.

It is an arithmetic number, because the mean of its divisors is an integer number (20385960).

Almost surely, 2^228127660 is an apocalyptic number.

228127660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228127660 is an abundant number, since it is smaller than the sum of its proper divisors (261135380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228127660 is a wasteful number, since it uses less digits than its factorization.

228127660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242745 (or 242743 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 228127660 is about 15103.8955240031. The cubic root of 228127660 is about 611.0254721010.

The spelling of 228127660 in words is "two hundred twenty-eight million, one hundred twenty-seven thousand, six hundred sixty".