30221017 has 4 divisors (see below), whose sum is σ = 30289680. Its totient is φ = 30152356.

The previous prime is 30221003. The next prime is 30221033. The reversal of 30221017 is 71012203.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 30221017 - 2²³ = 21832409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221117) 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 3 ways as a sum of consecutive naturals, for example, 33667 + ... + 34552.

It is an arithmetic number, because the mean of its divisors is an integer number (7572420).

Almost surely, 2^30221017 is an apocalyptic number.

It is an amenable number.

30221017 is a deficient number, since it is larger than the sum of its proper divisors (68663).

30221017 is an equidigital number, since it uses as much as digits as its factorization.

30221017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68662.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 30221017 is about 5497.3645504005. The cubic root of 30221017 is about 311.4844412512.

The spelling of 30221017 in words is "thirty million, two hundred twenty-one thousand, seventeen".