3216622349 has 2 divisors, whose sum is σ = 3216622350. Its totient is φ = 3216622348.

The previous prime is 3216622333. The next prime is 3216622351. The reversal of 3216622349 is 9432266123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3213756100 + 2866249 = 56690^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216622349 - 2⁴ = 3216622333 is a prime.

Together with 3216622351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3216622399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608311174 + 1608311175.

It is an arithmetic number, because the mean of its divisors is an integer number (1608311175).

Almost surely, 2^3216622349 is an apocalyptic number.

It is an amenable number.

3216622349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216622349 is an equidigital number, since it uses as much as digits as its factorization.

3216622349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 38.

The square root of 3216622349 is about 56715.2743888276. The cubic root of 3216622349 is about 1476.1597465497.

The spelling of 3216622349 in words is "three billion, two hundred sixteen million, six hundred twenty-two thousand, three hundred forty-nine".