2022021009 has 8 divisors (see below), whose sum is σ = 2995586720. Its totient is φ = 1348013988.

The previous prime is 2022021007. The next prime is 2022021013. The reversal of 2022021009 is 9001202202.

It is not a de Polignac number, because 2022021009 - 2¹ = 2022021007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022020982 and 2022021000.

It is not an unprimeable number, because it can be changed into a prime (2022021007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37444807 + ... + 37444860.

It is an arithmetic number, because the mean of its divisors is an integer number (374448340).

Almost surely, 2^2022021009 is an apocalyptic number.

It is an amenable number.

2022021009 is a deficient number, since it is larger than the sum of its proper divisors (973565711).

2022021009 is an equidigital number, since it uses as much as digits as its factorization.

2022021009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74889676 (or 74889670 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2022021009 is about 44966.8879176667. The cubic root of 2022021009 is about 1264.5283037755.

The spelling of 2022021009 in words is "two billion, twenty-two million, twenty-one thousand, nine".