30323228 has 12 divisors (see below), whose sum is σ = 57147720. Its totient is φ = 13995312.

The previous prime is 30323203. The next prime is 30323233. The reversal of 30323228 is 82232303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 291518 + ... + 291621.

It is an arithmetic number, because the mean of its divisors is an integer number (4762310).

Almost surely, 2^30323228 is an apocalyptic number.

It is an amenable number.

30323228 is a deficient number, since it is larger than the sum of its proper divisors (26824492).

30323228 is a wasteful number, since it uses less digits than its factorization.

30323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583156 (or 583154 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30323228 is about 5506.6530669727. The cubic root of 30323228 is about 311.8352049952.

The spelling of 30323228 in words is "thirty million, three hundred twenty-three thousand, two hundred twenty-eight".