3221642361 has 16 divisors (see below), whose sum is σ = 5122612224. Its totient is φ = 1760897424.

The previous prime is 3221642329. The next prime is 3221642377. The reversal of 3221642361 is 1632461223.

It is not a de Polignac number, because 3221642361 - 2⁵ = 3221642329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221642311) 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 15 ways as a sum of consecutive naturals, for example, 3334551 + ... + 3335516.

It is an arithmetic number, because the mean of its divisors is an integer number (320163264).

Almost surely, 2^3221642361 is an apocalyptic number.

It is an amenable number.

3221642361 is a deficient number, since it is larger than the sum of its proper divisors (1900969863).

3221642361 is a wasteful number, since it uses less digits than its factorization.

3221642361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670100.

The product of its digits is 10368, while the sum is 30.

The square root of 3221642361 is about 56759.5133964343. The cubic root of 3221642361 is about 1476.9272688347.

The spelling of 3221642361 in words is "three billion, two hundred twenty-one million, six hundred forty-two thousand, three hundred sixty-one".