3217422639 has 8 divisors (see below), whose sum is σ = 4331546752. Its totient is φ = 2124123480.

The previous prime is 3217422617. The next prime is 3217422679. The reversal of 3217422639 is 9362247123.

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

It is not a de Polignac number, because 3217422639 - 2⁷ = 3217422511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3217422597 and 3217422606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217422679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5205877 + ... + 5206494.

It is an arithmetic number, because the mean of its divisors is an integer number (541443344).

Almost surely, 2^3217422639 is an apocalyptic number.

3217422639 is a deficient number, since it is larger than the sum of its proper divisors (1114124113).

3217422639 is a wasteful number, since it uses less digits than its factorization.

3217422639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10412477.

The product of its digits is 108864, while the sum is 39.

The square root of 3217422639 is about 56722.3292804518. The cubic root of 3217422639 is about 1476.2821583838.

The spelling of 3217422639 in words is "three billion, two hundred seventeen million, four hundred twenty-two thousand, six hundred thirty-nine".