Base | Representation |
---|---|
bin | 1000010001100010… |
… | …0001111111111011 |
3 | 12201210020200002112 |
4 | 2010120201333323 |
5 | 14022040220402 |
6 | 1004220122535 |
7 | 106016246243 |
oct | 20430417773 |
9 | 5653220075 |
10 | 2221023227 |
11 | a3a789695 |
12 | 51b99644b |
13 | 2951b2737 |
14 | 170d90b23 |
15 | ceec0e52 |
hex | 84621ffb |
2221023227 has 2 divisors, whose sum is σ = 2221023228. Its totient is φ = 2221023226.
The previous prime is 2221023197. The next prime is 2221023251. The reversal of 2221023227 is 7223201222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2221023227 - 26 = 2221023163 is a prime.
It is not a weakly prime, because it can be changed into another prime (2221023127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110511613 + 1110511614.
It is an arithmetic number, because the mean of its divisors is an integer number (1110511614).
Almost surely, 22221023227 is an apocalyptic number.
2221023227 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221023227 is an equidigital number, since it uses as much as digits as its factorization.
2221023227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 23.
The square root of 2221023227 is about 47127.7330984634. The cubic root of 2221023227 is about 1304.7211427873.
Adding to 2221023227 its reverse (7223201222), we get a palindrome (9444224449).
The spelling of 2221023227 in words is "two billion, two hundred twenty-one million, twenty-three thousand, two hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •