2022220909 has 2 divisors, whose sum is σ = 2022220910. Its totient is φ = 2022220908.

The previous prime is 2022220891. The next prime is 2022221021. The reversal of 2022220909 is 9090222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2020232809 + 1988100 = 44947^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022220909 - 2⁵ = 2022220877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011110454 + 1011110455.

It is an arithmetic number, because the mean of its divisors is an integer number (1011110455).

Almost surely, 2^2022220909 is an apocalyptic number.

It is an amenable number.

2022220909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022220909 is an equidigital number, since it uses as much as digits as its factorization.

2022220909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2022220909 is about 44969.1106093950. The cubic root of 2022220909 is about 1264.5699734511.

The spelling of 2022220909 in words is "two billion, twenty-two million, two hundred twenty thousand, nine hundred nine".