3000220321 has 4 divisors (see below), whose sum is σ = 3428823232. Its totient is φ = 2571617412.

The previous prime is 3000220309. The next prime is 3000220373. The reversal of 3000220321 is 1230220003.

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 3000220321 - 2⁷ = 3000220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3000220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214301445 + ... + 214301458.

It is an arithmetic number, because the mean of its divisors is an integer number (857205808).

Almost surely, 2^3000220321 is an apocalyptic number.

It is an amenable number.

3000220321 is a deficient number, since it is larger than the sum of its proper divisors (428602911).

3000220321 is an equidigital number, since it uses as much as digits as its factorization.

3000220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428602910.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3000220321 is about 54774.2669599512. The cubic root of 3000220321 is about 1442.2848758729.

Adding to 3000220321 its reverse (1230220003), we get a palindrome (4230440324).

The spelling of 3000220321 in words is "three billion, two hundred twenty thousand, three hundred twenty-one".