30300221 has 4 divisors (see below), whose sum is σ = 34628832. Its totient is φ = 25971612.

The previous prime is 30300211. The next prime is 30300241. The reversal of 30300221 is 12200303.

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 30300221 - 2¹⁰ = 30299197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300211) 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, 2164295 + ... + 2164308.

It is an arithmetic number, because the mean of its divisors is an integer number (8657208).

Almost surely, 2^30300221 is an apocalyptic number.

It is an amenable number.

30300221 is a deficient number, since it is larger than the sum of its proper divisors (4328611).

30300221 is an equidigital number, since it uses as much as digits as its factorization.

30300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328610.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30300221 is about 5504.5636520981. The cubic root of 30300221 is about 311.7563192887.

Adding to 30300221 its reverse (12200303), we get a palindrome (42500524).

The spelling of 30300221 in words is "thirty million, three hundred thousand, two hundred twenty-one".