Base | Representation |
---|---|
bin | 1000011110100010100011 |
3 | 11011220100022 |
4 | 20132202203 |
5 | 1032102433 |
6 | 115344055 |
7 | 24613562 |
oct | 10364243 |
9 | 4156308 |
10 | 2222243 |
11 | 1288671 |
12 | 8b202b |
13 | 5ca64a |
14 | 41bbd9 |
15 | 2dd698 |
hex | 21e8a3 |
2222243 has 2 divisors, whose sum is σ = 2222244. Its totient is φ = 2222242.
The previous prime is 2222239. The next prime is 2222249. The reversal of 2222243 is 3422222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2222243 - 22 = 2222239 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2222249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111121 + 1111122.
It is an arithmetic number, because the mean of its divisors is an integer number (1111122).
22222243 is an apocalyptic number.
2222243 is a deficient number, since it is larger than the sum of its proper divisors (1).
2222243 is an equidigital number, since it uses as much as digits as its factorization.
2222243 is an evil number, because the sum of its binary digits is even.
The product of its digits is 384, while the sum is 17.
The square root of 2222243 is about 1490.7189540621. The cubic root of 2222243 is about 130.4959947489.
Adding to 2222243 its reverse (3422222), we get a palindrome (5644465).
The spelling of 2222243 in words is "two million, two hundred twenty-two thousand, two hundred forty-three".
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