Base | Representation |
---|---|
bin | 1000011110100100110011 |
3 | 11011220112122 |
4 | 20132210303 |
5 | 1032104022 |
6 | 115344455 |
7 | 24614156 |
oct | 10364463 |
9 | 4156478 |
10 | 2222387 |
11 | 1288792 |
12 | 8b212b |
13 | 5ca72b |
14 | 41bc9d |
15 | 2dd742 |
hex | 21e933 |
2222387 has 2 divisors, whose sum is σ = 2222388. Its totient is φ = 2222386.
The previous prime is 2222383. The next prime is 2222443. The reversal of 2222387 is 7832222.
2222387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2222387 - 22 = 2222383 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2222383) 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, 1111193 + 1111194.
It is an arithmetic number, because the mean of its divisors is an integer number (1111194).
22222387 is an apocalyptic number.
2222387 is a deficient number, since it is larger than the sum of its proper divisors (1).
2222387 is an equidigital number, since it uses as much as digits as its factorization.
2222387 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2688, while the sum is 26.
The square root of 2222387 is about 1490.7672521222. The cubic root of 2222387 is about 130.4988133752.
The spelling of 2222387 in words is "two million, two hundred twenty-two thousand, three hundred eighty-seven".
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