2221222200209 has 16 divisors (see below), whose sum is σ = 2305935360000. Its totient is φ = 2137327972560.

The previous prime is 2221222200167. The next prime is 2221222200247. The reversal of 2221222200209 is 9020022221222.

It is a cyclic number.

It is not a de Polignac number, because 2221222200209 - 2¹² = 2221222196113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221222200299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72671072 + ... + 72701630.

It is an arithmetic number, because the mean of its divisors is an integer number (144120960000).

Almost surely, 2^{2221222200209} is an apocalyptic number.

It is an amenable number.

2221222200209 is a deficient number, since it is larger than the sum of its proper divisors (84713159791).

2221222200209 is a wasteful number, since it uses less digits than its factorization.

2221222200209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43868.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 2221222200209 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, two hundred nine".