300300221 has 4 divisors (see below), whose sum is σ = 323400252. Its totient is φ = 277200192.

The previous prime is 300300211. The next prime is 300300281. The reversal of 300300221 is 122003003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122003003 = 41 ⋅2975683.

It can be written as a sum of positive squares in 2 ways, for example, as 35880100 + 264420121 = 5990^2 + 16261^2 .

It is a cyclic number.

It is not a de Polignac number, because 300300221 - 2⁶ = 300300157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300300211) 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, 11549996 + ... + 11550021.

It is an arithmetic number, because the mean of its divisors is an integer number (80850063).

Almost surely, 2^300300221 is an apocalyptic number.

It is an amenable number.

300300221 is a deficient number, since it is larger than the sum of its proper divisors (23100031).

300300221 is a wasteful number, since it uses less digits than its factorization.

300300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100030.

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

The square root of 300300221 is about 17329.1725422768. The cubic root of 300300221 is about 669.6561843322.

Adding to 300300221 its reverse (122003003), we get a palindrome (422303224).

The spelling of 300300221 in words is "three hundred million, three hundred thousand, two hundred twenty-one".