228168332 has 24 divisors (see below), whose sum is σ = 456900864. Its totient is φ = 97665552.

The previous prime is 228168331. The next prime is 228168341. The reversal of 228168332 is 233861822.

It is a junction number, because it is equal to n+sod(n) for n = 228168292 and 228168301.

It is not an unprimeable number, because it can be changed into a prime (228168331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20243 + ... + 29429.

It is an arithmetic number, because the mean of its divisors is an integer number (19037536).

Almost surely, 2^228168332 is an apocalyptic number.

It is an amenable number.

228168332 is an abundant number, since it is smaller than the sum of its proper divisors (228732532).

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

228168332 is a wasteful number, since it uses less digits than its factorization.

228168332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085 (or 10083 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 228168332 is about 15105.2418716153. The cubic root of 228168332 is about 611.0617824009.

The spelling of 228168332 in words is "two hundred twenty-eight million, one hundred sixty-eight thousand, three hundred thirty-two".