222122313209 has 2 divisors, whose sum is σ = 222122313210. Its totient is φ = 222122313208.

The previous prime is 222122313151. The next prime is 222122313221. The reversal of 222122313209 is 902313221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221808031225 + 314281984 = 470965^2 + 17728^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122313209 - 2¹² = 222122309113 is a prime.

It is not a weakly prime, because it can be changed into another prime (222122315209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061156604 + 111061156605.

It is an arithmetic number, because the mean of its divisors is an integer number (111061156605).

Almost surely, 2^222122313209 is an apocalyptic number.

It is an amenable number.

222122313209 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122313209 is an equidigital number, since it uses as much as digits as its factorization.

222122313209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 222122313209 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred nine".