117168228 has 24 divisors (see below), whose sum is σ = 303769760. Its totient is φ = 39056040.

The previous prime is 117168217. The next prime is 117168239. The reversal of 117168228 is 822861711.

It is an interprime number because it is at equal distance from previous prime (117168217) and next prime (117168239).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 117168192 and 117168201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542338 + ... + 542553.

Almost surely, 2^117168228 is an apocalyptic number.

117168228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117168228 is an abundant number, since it is smaller than the sum of its proper divisors (186601532).

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

117168228 is a wasteful number, since it uses less digits than its factorization.

117168228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084904 (or 1084896 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 117168228 is about 10824.4273751548. The cubic root of 117168228 is about 489.3316279584.

The spelling of 117168228 in words is "one hundred seventeen million, one hundred sixty-eight thousand, two hundred twenty-eight".