3221431402 has 24 divisors (see below), whose sum is σ = 5802399360. Its totient is φ = 1336076280.

The previous prime is 3221431397. The next prime is 3221431417. The reversal of 3221431402 is 2041341223.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527152 + ... + 533227.

It is an arithmetic number, because the mean of its divisors is an integer number (241766640).

Almost surely, 2^3221431402 is an apocalyptic number.

3221431402 is a deficient number, since it is larger than the sum of its proper divisors (2580967958).

3221431402 is a wasteful number, since it uses less digits than its factorization.

3221431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060426 (or 1060419 counting only the distinct ones).

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

The square root of 3221431402 is about 56757.6550079370. The cubic root of 3221431402 is about 1476.8950308366.

Adding to 3221431402 its reverse (2041341223), we get a palindrome (5262772625).

The spelling of 3221431402 in words is "three billion, two hundred twenty-one million, four hundred thirty-one thousand, four hundred two".