22002220109 has 2 divisors, whose sum is σ = 22002220110. Its totient is φ = 22002220108.

The previous prime is 22002220103. The next prime is 22002220127. The reversal of 22002220109 is 90102220022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14258748100 + 7743472009 = 119410^2 + 87997^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002220109 - 2²⁴ = 21985442893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001110054 + 11001110055.

It is an arithmetic number, because the mean of its divisors is an integer number (11001110055).

Almost surely, 2^22002220109 is an apocalyptic number.

It is an amenable number.

22002220109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002220109 is an equidigital number, since it uses as much as digits as its factorization.

22002220109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 22002220109 in words is "twenty-two billion, two million, two hundred twenty thousand, one hundred nine".