220222002109 has 2 divisors, whose sum is σ = 220222002110. Its totient is φ = 220222002108.

The previous prime is 220222002107. The next prime is 220222002137. The reversal of 220222002109 is 901200222022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216271502500 + 3950499609 = 465050^2 + 62853^2 .

It is a cyclic number.

It is not a de Polignac number, because 220222002109 - 2¹ = 220222002107 is a prime.

Together with 220222002107, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220222002109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220222002103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111001054 + 110111001055.

It is an arithmetic number, because the mean of its divisors is an integer number (110111001055).

Almost surely, 2^220222002109 is an apocalyptic number.

It is an amenable number.

220222002109 is a deficient number, since it is larger than the sum of its proper divisors (1).

220222002109 is an equidigital number, since it uses as much as digits as its factorization.

220222002109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 220222002109 in words is "two hundred twenty billion, two hundred twenty-two million, two thousand, one hundred nine".