30228317 has 8 divisors (see below), whose sum is σ = 35661312. Its totient is φ = 25074000.

The previous prime is 30228313. The next prime is 30228361. The reversal of 30228317 is 71382203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30228317 - 2² = 30228313 is a prime.

It is a super-2 number, since 2×30228317² = 1827502297304978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30228311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69434 + ... + 69867.

It is an arithmetic number, because the mean of its divisors is an integer number (4457664).

Almost surely, 2^30228317 is an apocalyptic number.

It is an amenable number.

30228317 is a deficient number, since it is larger than the sum of its proper divisors (5432995).

30228317 is a wasteful number, since it uses less digits than its factorization.

30228317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139339.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30228317 is about 5498.0284648226. The cubic root of 30228317 is about 311.5095193104.

The spelling of 30228317 in words is "thirty million, two hundred twenty-eight thousand, three hundred seventeen".