228127866 has 32 divisors (see below), whose sum is σ = 476556480. Its totient is φ = 72729216.

The previous prime is 228127843. The next prime is 228127877. The reversal of 228127866 is 668721822.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (14892390).

Almost surely, 2^228127866 is an apocalyptic number.

228127866 is an abundant number, since it is smaller than the sum of its proper divisors (248428614).

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

228127866 is a wasteful number, since it uses less digits than its factorization.

228127866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518.

The product of its digits is 129024, while the sum is 42.

The square root of 228127866 is about 15103.9023434343. The cubic root of 228127866 is about 611.0256560203.

The spelling of 228127866 in words is "two hundred twenty-eight million, one hundred twenty-seven thousand, eight hundred sixty-six".