300013221 has 4 divisors (see below), whose sum is σ = 400017632. Its totient is φ = 200008812.

The previous prime is 300013213. The next prime is 300013223. The reversal of 300013221 is 122310003.

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 not a de Polignac number, because 300013221 - 2³ = 300013213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300013197 and 300013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300013223) 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, 50002201 + ... + 50002206.

It is an arithmetic number, because the mean of its divisors is an integer number (100004408).

Almost surely, 2^300013221 is an apocalyptic number.

It is an amenable number.

300013221 is a deficient number, since it is larger than the sum of its proper divisors (100004411).

300013221 is a wasteful number, since it uses less digits than its factorization.

300013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100004410.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 300013221 is about 17320.8897288794. The cubic root of 300013221 is about 669.4427839077.

Adding to 300013221 its reverse (122310003), we get a palindrome (422323224).

The spelling of 300013221 in words is "three hundred million, thirteen thousand, two hundred twenty-one".