3216646322 has 4 divisors (see below), whose sum is σ = 4824969486. Its totient is φ = 1608323160.

The previous prime is 3216646297. The next prime is 3216646343. The reversal of 3216646322 is 2236466123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1905409801 + 1311236521 = 43651^2 + 36211^2 .

It is a super-2 number, since 2×3216646322² = 20693627121672255368, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 804161579 + ... + 804161582.

Almost surely, 2^3216646322 is an apocalyptic number.

3216646322 is a deficient number, since it is larger than the sum of its proper divisors (1608323164).

3216646322 is a wasteful number, since it uses less digits than its factorization.

3216646322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608323163.

The product of its digits is 62208, while the sum is 35.

The square root of 3216646322 is about 56715.4857336160. The cubic root of 3216646322 is about 1476.1634137391.

The spelling of 3216646322 in words is "three billion, two hundred sixteen million, six hundred forty-six thousand, three hundred twenty-two".