2202002009 has 2 divisors, whose sum is σ = 2202002010. Its totient is φ = 2202002008.

The previous prime is 2202001981. The next prime is 2202002021. The reversal of 2202002009 is 9002002022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2152960000 + 49042009 = 46400^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202002009 - 2²⁴ = 2185224793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2202002039) 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, 1101001004 + 1101001005.

It is an arithmetic number, because the mean of its divisors is an integer number (1101001005).

Almost surely, 2^2202002009 is an apocalyptic number.

It is an amenable number.

2202002009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202002009 is an equidigital number, since it uses as much as digits as its factorization.

2202002009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2202002009 is about 46925.4942328794. The cubic root of 2202002009 is about 1300.9858417543.

The spelling of 2202002009 in words is "two billion, two hundred two million, two thousand, nine".