30199228 has 12 divisors (see below), whose sum is σ = 53069632. Its totient is φ = 15036480.

The previous prime is 30199223. The next prime is 30199271. The reversal of 30199228 is 82299103.

It is a junction number, because it is equal to n+sod(n) for n = 30199193 and 30199202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30199223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14700 + ... + 16627.

Almost surely, 2^30199228 is an apocalyptic number.

It is an amenable number.

30199228 is a deficient number, since it is larger than the sum of its proper divisors (22870404).

30199228 is a wasteful number, since it uses less digits than its factorization.

30199228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31572 (or 31570 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 30199228 is about 5495.3824252731. The cubic root of 30199228 is about 311.4095643728.

The spelling of 30199228 in words is "thirty million, one hundred ninety-nine thousand, two hundred twenty-eight".