3003331221 has 48 divisors (see below), whose sum is σ = 4930511040. Its totient is φ = 1745568000.

The previous prime is 3003331217. The next prime is 3003331223. The reversal of 3003331221 is 1221333003.

3003331221 is a `hidden beast` number, since 300 + 33 + 312 + 21 = 666.

It is not a de Polignac number, because 3003331221 - 2² = 3003331217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3003331194 and 3003331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3003331223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233211 + ... + 245751.

It is an arithmetic number, because the mean of its divisors is an integer number (102718980).

Almost surely, 2^3003331221 is an apocalyptic number.

It is an amenable number.

3003331221 is a deficient number, since it is larger than the sum of its proper divisors (1927179819).

3003331221 is a wasteful number, since it uses less digits than its factorization.

3003331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3003331221 is about 54802.6570614966. The cubic root of 3003331221 is about 1442.7832008466.

Adding to 3003331221 its reverse (1221333003), we get a palindrome (4224664224).

The spelling of 3003331221 in words is "three billion, three million, three hundred thirty-one thousand, two hundred twenty-one".