3165889221 has 24 divisors (see below), whose sum is σ = 5044740480. Its totient is φ = 1897156800.

The previous prime is 3165889157. The next prime is 3165889273. The reversal of 3165889221 is 1229885613.

It is not a de Polignac number, because 3165889221 - 2⁶ = 3165889157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165889621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170845 + ... + 188466.

It is an arithmetic number, because the mean of its divisors is an integer number (210197520).

Almost surely, 2^3165889221 is an apocalyptic number.

It is an amenable number.

3165889221 is a deficient number, since it is larger than the sum of its proper divisors (1878851259).

3165889221 is a wasteful number, since it uses less digits than its factorization.

3165889221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359417 (or 359414 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 3165889221 is about 56266.2351770580. The cubic root of 3165889221 is about 1468.3578343817.

The spelling of 3165889221 in words is "three billion, one hundred sixty-five million, eight hundred eighty-nine thousand, two hundred twenty-one".