22200012221209 has 2 divisors, whose sum is σ = 22200012221210. Its totient is φ = 22200012221208.

The previous prime is 22200012221147. The next prime is 22200012221227. The reversal of 22200012221209 is 90212221000222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14465828739609 + 7734183481600 = 3803397^2 + 2781040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200012221209 is a prime.

It is not a weakly prime, because it can be changed into another prime (22200012221239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100006110604 + 11100006110605.

It is an arithmetic number, because the mean of its divisors is an integer number (11100006110605).

Almost surely, 2^{22200012221209} is an apocalyptic number.

It is an amenable number.

22200012221209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200012221209 is an equidigital number, since it uses as much as digits as its factorization.

22200012221209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 22200012221209 in words is "twenty-two trillion, two hundred billion, twelve million, two hundred twenty-one thousand, two hundred nine".