3000221 has 8 divisors (see below), whose sum is σ = 3499200. Its totient is φ = 2571324.

The previous prime is 3000199. The next prime is 3000223. The reversal of 3000221 is 1220003.

It is not a de Polignac number, because 3000221 - 2¹⁴ = 2983837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3000199 and 3000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4031 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (437400).

Almost surely, 2^3000221 is an apocalyptic number.

It is an amenable number.

3000221 is a deficient number, since it is larger than the sum of its proper divisors (498979).

3000221 is an frugal number, since it uses more digits than its factorization.

3000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3000221 is about 1732.1146035987. The cubic root of 3000221 is about 144.2284984677.

Adding to 3000221 its reverse (1220003), we get a palindrome (4220224).

The spelling of 3000221 in words is "three million, two hundred twenty-one", and thus it is an aban number.