4222945609 has 2 divisors, whose sum is σ = 4222945610. Its totient is φ = 4222945608.

The previous prime is 4222945589. The next prime is 4222945631. The reversal of 4222945609 is 9065492224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3555498384 + 667447225 = 59628^2 + 25835^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222945609 - 2⁷ = 4222945481 is a prime.

It is not a weakly prime, because it can be changed into another prime (4222945409) by changing a digit.

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, 2111472804 + 2111472805.

It is an arithmetic number, because the mean of its divisors is an integer number (2111472805).

Almost surely, 2^4222945609 is an apocalyptic number.

It is an amenable number.

4222945609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222945609 is an equidigital number, since it uses as much as digits as its factorization.

4222945609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 4222945609 is about 64984.1950708016. The cubic root of 4222945609 is about 1616.3614943063.

The spelling of 4222945609 in words is "four billion, two hundred twenty-two million, nine hundred forty-five thousand, six hundred nine".