30323221 has 8 divisors (see below), whose sum is σ = 31978400. Its totient is φ = 28674000.

The previous prime is 30323203. The next prime is 30323233. The reversal of 30323221 is 12232303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30323221 - 2⁷ = 30323093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30323195 and 30323204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323521) 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 7 ways as a sum of consecutive naturals, for example, 12346 + ... + 14596.

It is an arithmetic number, because the mean of its divisors is an integer number (3997300).

Almost surely, 2^30323221 is an apocalyptic number.

It is an amenable number.

30323221 is a deficient number, since it is larger than the sum of its proper divisors (1655179).

30323221 is a wasteful number, since it uses less digits than its factorization.

30323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30323221 is about 5506.6524313779. The cubic root of 30323221 is about 311.8351809999.

Adding to 30323221 its reverse (12232303), we get a palindrome (42555524).

The spelling of 30323221 in words is "thirty million, three hundred twenty-three thousand, two hundred twenty-one".