228887132 has 12 divisors (see below), whose sum is σ = 401352336. Its totient is φ = 114215040.

The previous prime is 228887123. The next prime is 228887171. The reversal of 228887132 is 231788822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 228887132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54869 + ... + 58892.

It is an arithmetic number, because the mean of its divisors is an integer number (33446028).

Almost surely, 2^228887132 is an apocalyptic number.

It is an amenable number.

228887132 is a deficient number, since it is larger than the sum of its proper divisors (172465204).

228887132 is a wasteful number, since it uses less digits than its factorization.

228887132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114268 (or 114266 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 228887132 is about 15129.0162271048. The cubic root of 228887132 is about 611.7027868929.

The spelling of 228887132 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, one hundred thirty-two".