Base | Representation |
---|---|
bin | 1000010001100010… |
… | …0001110000010011 |
3 | 12201210020121201111 |
4 | 2010120201300103 |
5 | 14022040202402 |
6 | 1004220114151 |
7 | 106016243314 |
oct | 20430416023 |
9 | 5653217644 |
10 | 2221022227 |
11 | a3a788966 |
12 | 51b995957 |
13 | 2951b2148 |
14 | 170d9060b |
15 | ceec09d7 |
hex | 84621c13 |
2221022227 has 2 divisors, whose sum is σ = 2221022228. Its totient is φ = 2221022226.
The previous prime is 2221022201. The next prime is 2221022231. The reversal of 2221022227 is 7222201222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2221022227 - 231 = 73538579 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2221022198 and 2221022207.
It is not a weakly prime, because it can be changed into another prime (2221022257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110511113 + 1110511114.
It is an arithmetic number, because the mean of its divisors is an integer number (1110511114).
Almost surely, 22221022227 is an apocalyptic number.
2221022227 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221022227 is an equidigital number, since it uses as much as digits as its factorization.
2221022227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 896, while the sum is 22.
The square root of 2221022227 is about 47127.7224889979. The cubic root of 2221022227 is about 1304.7209469734.
Adding to 2221022227 its reverse (7222201222), we get a palindrome (9443223449).
The spelling of 2221022227 in words is "two billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-seven".
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