Base | Representation |
---|---|
bin | 1000010001110010… |
… | …1100001000101001 |
3 | 12201212022001102101 |
4 | 2010130230020221 |
5 | 14022330111241 |
6 | 1004255333401 |
7 | 106031436331 |
oct | 20434541051 |
9 | 5655261371 |
10 | 2222113321 |
11 | a4036369a |
12 | 520221261 |
13 | 2954a496c |
14 | 1711960c1 |
15 | d0138e31 |
hex | 8472c229 |
2222113321 has 2 divisors, whose sum is σ = 2222113322. Its totient is φ = 2222113320.
The previous prime is 2222113319. The next prime is 2222113331. The reversal of 2222113321 is 1233112222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2183225625 + 38887696 = 46725^2 + 6236^2 .
It is a cyclic number.
It is not a de Polignac number, because 2222113321 - 21 = 2222113319 is a prime.
It is a super-2 number, since 2×22221133212 = 9875575222731298082, which contains 22 as substring.
Together with 2222113319, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2222113331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111056660 + 1111056661.
It is an arithmetic number, because the mean of its divisors is an integer number (1111056661).
Almost surely, 22222113321 is an apocalyptic number.
It is an amenable number.
2222113321 is a deficient number, since it is larger than the sum of its proper divisors (1).
2222113321 is an equidigital number, since it uses as much as digits as its factorization.
2222113321 is an evil number, because the sum of its binary digits is even.
The product of its digits is 288, while the sum is 19.
The square root of 2222113321 is about 47139.2969930609. The cubic root of 2222113321 is about 1304.9345633479.
Adding to 2222113321 its reverse (1233112222), we get a palindrome (3455225543).
The spelling of 2222113321 in words is "two billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred twenty-one".
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