30168882 has 16 divisors (see below), whose sum is σ = 67042080. Its totient is φ = 10056276.

The previous prime is 30168881. The next prime is 30168913. The reversal of 30168882 is 28886103.

It is a super-2 number, since 2×30168882² = 1820322882259848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30168881) 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, 279288 + ... + 279395.

It is an arithmetic number, because the mean of its divisors is an integer number (4190130).

Almost surely, 2^30168882 is an apocalyptic number.

30168882 is an abundant number, since it is smaller than the sum of its proper divisors (36873198).

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

30168882 is a wasteful number, since it uses less digits than its factorization.

30168882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558694 (or 558688 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 30168882 is about 5492.6206859750. The cubic root of 30168882 is about 311.3052217305.

The spelling of 30168882 in words is "thirty million, one hundred sixty-eight thousand, eight hundred eighty-two".