30334221 has 24 divisors (see below), whose sum is σ = 45329856. Its totient is φ = 19535040.

The previous prime is 30334207. The next prime is 30334247. The reversal of 30334221 is 12243303.

30334221 is a `hidden beast` number, since 303 + 342 + 21 = 666.

It is not a de Polignac number, because 30334221 - 2¹⁰ = 30333197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30334194 and 30334203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30334121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39481 + ... + 40241.

It is an arithmetic number, because the mean of its divisors is an integer number (1888744).

Almost surely, 2^30334221 is an apocalyptic number.

It is an amenable number.

30334221 is a deficient number, since it is larger than the sum of its proper divisors (14995635).

30334221 is a wasteful number, since it uses less digits than its factorization.

30334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30334221 is about 5507.6511327425. The cubic root of 30334221 is about 311.8728833743.

Adding to 30334221 its reverse (12243303), we get a palindrome (42577524).

The spelling of 30334221 in words is "thirty million, three hundred thirty-four thousand, two hundred twenty-one".