30322009 has 4 divisors (see below), whose sum is σ = 31027216. Its totient is φ = 29616804.

The previous prime is 30322007. The next prime is 30322013. The reversal of 30322009 is 90022303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90022303 = 7 ⋅12860329.

It is a cyclic number.

It is not a de Polignac number, because 30322009 - 2¹ = 30322007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30322007) 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, 352539 + ... + 352624.

It is an arithmetic number, because the mean of its divisors is an integer number (7756804).

Almost surely, 2^30322009 is an apocalyptic number.

It is an amenable number.

30322009 is a deficient number, since it is larger than the sum of its proper divisors (705207).

30322009 is an equidigital number, since it uses as much as digits as its factorization.

30322009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705206.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30322009 is about 5506.5423815676. The cubic root of 30322009 is about 311.8310263261.

It can be divided in two parts, 3032 and 2009, that added together give a square (5041 = 71²).

The spelling of 30322009 in words is "thirty million, three hundred twenty-two thousand, nine".