4022120309 has 2 divisors, whose sum is σ = 4022120310. Its totient is φ = 4022120308.

The previous prime is 4022120293. The next prime is 4022120341. The reversal of 4022120309 is 9030212204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3758057809 + 264062500 = 61303^2 + 16250^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022120309 - 2⁴ = 4022120293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022120359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011060154 + 2011060155.

It is an arithmetic number, because the mean of its divisors is an integer number (2011060155).

Almost surely, 2^4022120309 is an apocalyptic number.

It is an amenable number.

4022120309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022120309 is an equidigital number, since it uses as much as digits as its factorization.

4022120309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4022120309 is about 63420.1884970393. The cubic root of 4022120309 is about 1590.3218246816.

The spelling of 4022120309 in words is "four billion, twenty-two million, one hundred twenty thousand, three hundred nine".