220022244209 has 2 divisors, whose sum is σ = 220022244210. Its totient is φ = 220022244208.

The previous prime is 220022244203. The next prime is 220022244227. The reversal of 220022244209 is 902442220022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219705937984 + 316306225 = 468728^2 + 17785^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022244209 - 2²⁸ = 219753808753 is a prime.

It is not a weakly prime, because it can be changed into another prime (220022244203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011122104 + 110011122105.

It is an arithmetic number, because the mean of its divisors is an integer number (110011122105).

Almost surely, 2^220022244209 is an apocalyptic number.

It is an amenable number.

220022244209 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022244209 is an equidigital number, since it uses as much as digits as its factorization.

220022244209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 220022244209 in words is "two hundred twenty billion, twenty-two million, two hundred forty-four thousand, two hundred nine".