3221421304 has 8 divisors (see below), whose sum is σ = 6040164960. Its totient is φ = 1610710648.

The previous prime is 3221421283. The next prime is 3221421311. The reversal of 3221421304 is 4031241223.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201338824 + ... + 201338839.

It is an arithmetic number, because the mean of its divisors is an integer number (755020620).

Almost surely, 2^3221421304 is an apocalyptic number.

It is an amenable number.

3221421304 is a deficient number, since it is larger than the sum of its proper divisors (2818743656).

3221421304 is a wasteful number, since it uses less digits than its factorization.

3221421304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402677669 (or 402677665 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3221421304 is about 56757.5660507038. The cubic root of 3221421304 is about 1476.8934876612.

Adding to 3221421304 its reverse (4031241223), we get a palindrome (7252662527).

The spelling of 3221421304 in words is "three billion, two hundred twenty-one million, four hundred twenty-one thousand, three hundred four".