30348225 has 72 divisors (see below), whose sum is σ = 59321600. Its totient is φ = 14774400.

The previous prime is 30348221. The next prime is 30348233. The reversal of 30348225 is 52284303.

It is not a de Polignac number, because 30348225 - 2² = 30348221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30348221) 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 71 ways as a sum of consecutive naturals, for example, 132411 + ... + 132639.

Almost surely, 2^30348225 is an apocalyptic number.

30348225 is the 2945-th nonagonal number.

It is an amenable number.

30348225 is a deficient number, since it is larger than the sum of its proper divisors (28973375).

30348225 is a wasteful number, since it uses less digits than its factorization.

30348225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30348225 is about 5508.9223084012. The cubic root of 30348225 is about 311.9208687387.

The spelling of 30348225 in words is "thirty million, three hundred forty-eight thousand, two hundred twenty-five".