3221645006 has 16 divisors (see below), whose sum is σ = 5058504864. Its totient is φ = 1535919264.

The previous prime is 3221644999. The next prime is 3221645017. The reversal of 3221645006 is 6005461223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221645006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 95885 + ... + 125048.

It is an arithmetic number, because the mean of its divisors is an integer number (316156554).

Almost surely, 2^3221645006 is an apocalyptic number.

3221645006 is a deficient number, since it is larger than the sum of its proper divisors (1836859858).

3221645006 is a wasteful number, since it uses less digits than its factorization.

3221645006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221275.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3221645006 is about 56759.5366964883. The cubic root of 3221645006 is about 1476.9276730252.

The spelling of 3221645006 in words is "three billion, two hundred twenty-one million, six hundred forty-five thousand, six".