3304042221 has 16 divisors (see below), whose sum is σ = 4706470400. Its totient is φ = 2055615408.

The previous prime is 3304042199. The next prime is 3304042283. The reversal of 3304042221 is 1222404033.

It is not a de Polignac number, because 3304042221 - 2⁹ = 3304041709 is a prime.

It is a super-2 number, since 2×3304042221² = 21833389996301225682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3304062221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428761 + ... + 436398.

It is an arithmetic number, because the mean of its divisors is an integer number (294154400).

Almost surely, 2^3304042221 is an apocalyptic number.

It is an amenable number.

3304042221 is a deficient number, since it is larger than the sum of its proper divisors (1402428179).

3304042221 is a wasteful number, since it uses less digits than its factorization.

3304042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865248.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3304042221 is about 57480.7987157451. The cubic root of 3304042221 is about 1489.4131918961.

Adding to 3304042221 its reverse (1222404033), we get a palindrome (4526446254).

The spelling of 3304042221 in words is "three billion, three hundred four million, forty-two thousand, two hundred twenty-one".