3221889618 has 32 divisors (see below), whose sum is σ = 6713985600. Its totient is φ = 1029462336.

The previous prime is 3221889581. The next prime is 3221889659. The reversal of 3221889618 is 8169881223.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42421 + ... + 90792.

It is an arithmetic number, because the mean of its divisors is an integer number (209812050).

Almost surely, 2^3221889618 is an apocalyptic number.

3221889618 is an abundant number, since it is smaller than the sum of its proper divisors (3492095982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221889618 is a wasteful number, since it uses less digits than its factorization.

3221889618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133386.

The product of its digits is 331776, while the sum is 48.

The square root of 3221889618 is about 56761.6914652832. The cubic root of 3221889618 is about 1476.9650519717.

The spelling of 3221889618 in words is "three billion, two hundred twenty-one million, eight hundred eighty-nine thousand, six hundred eighteen".