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2220331109 is a prime number
BaseRepresentation
bin1000010001010111…
…1001000001100101
312201201221111200112
42010111321001211
514021401043414
61004153222405
7106010334353
oct20425710145
95651844615
102220331109
11a3a356697
1251b701a05
13294ccc6b9
14170c507d3
15cedd5d3e
hex84579065

2220331109 has 2 divisors, whose sum is σ = 2220331110. Its totient is φ = 2220331108.

The previous prime is 2220331093. The next prime is 2220331133. The reversal of 2220331109 is 9011330222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2208060100 + 12271009 = 46990^2 + 3503^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220331109 - 24 = 2220331093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220331709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110165554 + 1110165555.

It is an arithmetic number, because the mean of its divisors is an integer number (1110165555).

Almost surely, 22220331109 is an apocalyptic number.

It is an amenable number.

2220331109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220331109 is an equidigital number, since it uses as much as digits as its factorization.

2220331109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2220331109 is about 47120.3895251302. The cubic root of 2220331109 is about 1304.5856024361.

The spelling of 2220331109 in words is "two billion, two hundred twenty million, three hundred thirty-one thousand, one hundred nine".