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2022245209 is a prime number
BaseRepresentation
bin111100010001001…
…0000001101011001
312012221012200220201
41320202100031121
513120143321314
6532355422201
7101053541425
oct17042201531
95187180821
102022245209
11948560836
124852b4961
13262c656ca
14152809b85
15bc808b74
hex78890359

2022245209 has 2 divisors, whose sum is σ = 2022245210. Its totient is φ = 2022245208.

The previous prime is 2022245083. The next prime is 2022245213. The reversal of 2022245209 is 9025422202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060935184 + 961310025 = 32572^2 + 31005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022245209 - 213 = 2022237017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022245279) 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, 1011122604 + 1011122605.

It is an arithmetic number, because the mean of its divisors is an integer number (1011122605).

Almost surely, 22022245209 is an apocalyptic number.

It is an amenable number.

2022245209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022245209 is an equidigital number, since it uses as much as digits as its factorization.

2022245209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2022245209 is about 44969.3807940470. The cubic root of 2022245209 is about 1264.5750386622.

The spelling of 2022245209 in words is "two billion, twenty-two million, two hundred forty-five thousand, two hundred nine".