30221009 has 8 divisors (see below), whose sum is σ = 37195200. Its totient is φ = 23911056.

The previous prime is 30221003. The next prime is 30221033. The reversal of 30221009 is 90012203.

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

It is not a de Polignac number, because 30221009 - 2¹⁶ = 30155473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165959 + ... + 166140.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^30221009 is an apocalyptic number.

It is an amenable number.

30221009 is a deficient number, since it is larger than the sum of its proper divisors (6974191).

30221009 is a wasteful number, since it uses less digits than its factorization.

30221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332119.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30221009 is about 5497.3638227791. The cubic root of 30221009 is about 311.4844137662.

The spelling of 30221009 in words is "thirty million, two hundred twenty-one thousand, nine".