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2210112209 is a prime number
BaseRepresentation
bin1000001110111011…
…1010001011010001
312201000201022222202
42003232322023101
514011242042314
61003150212545
7105524433554
oct20356721321
95630638882
102210112209
11a34607018
125181b4155
13292b62306
1416d75069b
15ce0680de
hex83bba2d1

2210112209 has 2 divisors, whose sum is σ = 2210112210. Its totient is φ = 2210112208.

The previous prime is 2210112139. The next prime is 2210112221. The reversal of 2210112209 is 9022110122.

It is a happy number.

2210112209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2114620225 + 95491984 = 45985^2 + 9772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210112209 - 212 = 2210108113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210112269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105056104 + 1105056105.

It is an arithmetic number, because the mean of its divisors is an integer number (1105056105).

Almost surely, 22210112209 is an apocalyptic number.

It is an amenable number.

2210112209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210112209 is an equidigital number, since it uses as much as digits as its factorization.

2210112209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2210112209 is about 47011.8305216889. The cubic root of 2210112209 is about 1302.5811064248.

The spelling of 2210112209 in words is "two billion, two hundred ten million, one hundred twelve thousand, two hundred nine".