3221713165 has 8 divisors (see below), whose sum is σ = 4217515488. Its totient is φ = 2343064080.

The previous prime is 3221713147. The next prime is 3221713219. The reversal of 3221713165 is 5613171223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3221713165 - 2¹³ = 3221704973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29288247 + ... + 29288356.

It is an arithmetic number, because the mean of its divisors is an integer number (527189436).

Almost surely, 2^3221713165 is an apocalyptic number.

It is an amenable number.

3221713165 is a deficient number, since it is larger than the sum of its proper divisors (995802323).

3221713165 is a wasteful number, since it uses less digits than its factorization.

3221713165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58576619.

The product of its digits is 7560, while the sum is 31.

The square root of 3221713165 is about 56760.1371122375. The cubic root of 3221713165 is about 1476.9380885327.

Adding to 3221713165 its reverse (5613171223), we get a palindrome (8834884388).

The spelling of 3221713165 in words is "three billion, two hundred twenty-one million, seven hundred thirteen thousand, one hundred sixty-five".