30228118 has 12 divisors (see below), whose sum is σ = 47400948. Its totient is φ = 14456420.

The previous prime is 30228109. The next prime is 30228127. The reversal of 30228118 is 81182203.

It is an interprime number because it is at equal distance from previous prime (30228109) and next prime (30228127).

It is a junction number, because it is equal to n+sod(n) for n = 30228092 and 30228101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13228 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (3950079).

Almost surely, 2^30228118 is an apocalyptic number.

30228118 is a deficient number, since it is larger than the sum of its proper divisors (17172830).

30228118 is a wasteful number, since it uses less digits than its factorization.

30228118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28619 (or 28596 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 30228118 is about 5498.0103673966. The cubic root of 30228118 is about 311.5088357292.

The spelling of 30228118 in words is "thirty million, two hundred twenty-eight thousand, one hundred eighteen".