30038228 has 24 divisors (see below), whose sum is σ = 58898784. Its totient is φ = 13284000.

The previous prime is 30038189. The next prime is 30038231. The reversal of 30038228 is 82283003.

It is a junction number, because it is equal to n+sod(n) for n = 30038197 and 30038206.

It is a congruent number.

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, 7598 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (2454116).

Almost surely, 2^30038228 is an apocalyptic number.

It is an amenable number.

30038228 is a deficient number, since it is larger than the sum of its proper divisors (28860556).

30038228 is a wasteful number, since it uses less digits than its factorization.

30038228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503 (or 18501 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30038228 is about 5480.7141870380. The cubic root of 30038228 is about 310.8551760021.

The spelling of 30038228 in words is "thirty million, thirty-eight thousand, two hundred twenty-eight".