2022220309 has 2 divisors, whose sum is σ = 2022220310. Its totient is φ = 2022220308.

The previous prime is 2022220307. The next prime is 2022220349. The reversal of 2022220309 is 9030222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1372480209 + 649740100 = 37047^2 + 25490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022220309 - 2¹ = 2022220307 is a prime.

Together with 2022220307, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2022220309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022220301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011110154 + 1011110155.

It is an arithmetic number, because the mean of its divisors is an integer number (1011110155).

Almost surely, 2^2022220309 is an apocalyptic number.

It is an amenable number.

2022220309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022220309 is an equidigital number, since it uses as much as digits as its factorization.

2022220309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2022220309 is about 44969.1039381485. The cubic root of 2022220309 is about 1264.5698483836.

The spelling of 2022220309 in words is "two billion, twenty-two million, two hundred twenty thousand, three hundred nine".