Base | Representation |
---|---|
bin | 11010011110010… |
… | …00010111000101 |
3 | 120110212100001201 |
4 | 31033020113011 |
5 | 423322221323 |
6 | 34011422501 |
7 | 5334365011 |
oct | 1517102705 |
9 | 513770051 |
10 | 222070213 |
11 | 104397702 |
12 | 62454a31 |
13 | 37013ac1 |
14 | 216c9541 |
15 | 147688ad |
hex | d3c85c5 |
222070213 has 2 divisors, whose sum is σ = 222070214. Its totient is φ = 222070212.
The previous prime is 222070181. The next prime is 222070243. The reversal of 222070213 is 312070222.
222070213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 171688609 + 50381604 = 13103^2 + 7098^2 .
It is a cyclic number.
It is not a de Polignac number, because 222070213 - 25 = 222070181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (222070243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111035106 + 111035107.
It is an arithmetic number, because the mean of its divisors is an integer number (111035107).
Almost surely, 2222070213 is an apocalyptic number.
It is an amenable number.
222070213 is a deficient number, since it is larger than the sum of its proper divisors (1).
222070213 is an equidigital number, since it uses as much as digits as its factorization.
222070213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 222070213 is about 14902.0204334849. The cubic root of 222070213 is about 605.5687232305.
Subtracting 222070213 from its reverse (312070222), we obtain a palindrome (90000009).
The spelling of 222070213 in words is "two hundred twenty-two million, seventy thousand, two hundred thirteen".
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