30568228 has 12 divisors (see below), whose sum is σ = 53533872. Its totient is φ = 15272840.

The previous prime is 30568211. The next prime is 30568229. The reversal of 30568228 is 82286503.

It is a junction number, because it is equal to n+sod(n) for n = 30568193 and 30568202.

It is not an unprimeable number, because it can be changed into a prime (30568229) 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 3 ways as a sum of consecutive naturals, for example, 7383 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (4461156).

Almost surely, 2^30568228 is an apocalyptic number.

It is an amenable number.

30568228 is a deficient number, since it is larger than the sum of its proper divisors (22965644).

30568228 is a wasteful number, since it uses less digits than its factorization.

30568228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642 (or 5640 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 30568228 is about 5528.8541308304. The cubic root of 30568228 is about 312.6727893493.

The spelling of 30568228 in words is "thirty million, five hundred sixty-eight thousand, two hundred twenty-eight".