3222916649 has 2 divisors, whose sum is σ = 3222916650. Its totient is φ = 3222916648.

The previous prime is 3222916633. The next prime is 3222916657. The reversal of 3222916649 is 9466192223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2358850624 + 864066025 = 48568^2 + 29395^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222916649 - 2⁴ = 3222916633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3222916679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611458324 + 1611458325.

It is an arithmetic number, because the mean of its divisors is an integer number (1611458325).

Almost surely, 2^3222916649 is an apocalyptic number.

It is an amenable number.

3222916649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222916649 is an equidigital number, since it uses as much as digits as its factorization.

3222916649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 3222916649 is about 56770.7376119071. The cubic root of 3222916649 is about 1477.1219710393.

The spelling of 3222916649 in words is "three billion, two hundred twenty-two million, nine hundred sixteen thousand, six hundred forty-nine".