2002222220209 has 2 divisors, whose sum is σ = 2002222220210. Its totient is φ = 2002222220208.

The previous prime is 2002222220149. The next prime is 2002222220249. The reversal of 2002222220209 is 9020222222002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022834890609 + 979387329600 = 1011353^2 + 989640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002222220209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002222220249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001111110104 + 1001111110105.

It is an arithmetic number, because the mean of its divisors is an integer number (1001111110105).

Almost surely, 2^{2002222220209} is an apocalyptic number.

It is an amenable number.

2002222220209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002222220209 is an equidigital number, since it uses as much as digits as its factorization.

2002222220209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 2002222220209 in words is "two trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred nine".