115663228 has 12 divisors (see below), whose sum is σ = 211211280. Its totient is φ = 55317152.

The previous prime is 115663199. The next prime is 115663277. The reversal of 115663228 is 822366511.

It is a super-3 number, since 3×115663228³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 115663193 and 115663202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628513 + ... + 628696.

It is an arithmetic number, because the mean of its divisors is an integer number (17600940).

Almost surely, 2^115663228 is an apocalyptic number.

It is an amenable number.

115663228 is a deficient number, since it is larger than the sum of its proper divisors (95548052).

115663228 is a wasteful number, since it uses less digits than its factorization.

115663228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257236 (or 1257234 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 115663228 is about 10754.6840027962. The cubic root of 115663228 is about 487.2274740650.

The spelling of 115663228 in words is "one hundred fifteen million, six hundred sixty-three thousand, two hundred twenty-eight".