3221405552 has 20 divisors (see below), whose sum is σ = 6311604960. Its totient is φ = 1592604288.

The previous prime is 3221405549. The next prime is 3221405557. The reversal of 3221405552 is 2555041223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221405557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129688 + ... + 1132535.

It is an arithmetic number, because the mean of its divisors is an integer number (315580248).

Almost surely, 2^3221405552 is an apocalyptic number.

It is an amenable number.

3221405552 is a deficient number, since it is larger than the sum of its proper divisors (3090199408).

3221405552 is a wasteful number, since it uses less digits than its factorization.

3221405552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262320 (or 2262314 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 3221405552 is about 56757.4272848937. The cubic root of 3221405552 is about 1476.8910804355.

Adding to 3221405552 its reverse (2555041223), we get a palindrome (5776446775).

The spelling of 3221405552 in words is "three billion, two hundred twenty-one million, four hundred five thousand, five hundred fifty-two".