Base | Representation |
---|---|
bin | 11010011110101… |
… | …11000101110011 |
3 | 120110222101211022 |
4 | 31033113011303 |
5 | 423331134142 |
6 | 34013010055 |
7 | 5335035632 |
oct | 1517270563 |
9 | 513871738 |
10 | 222130547 |
11 | 104428a71 |
12 | 6248392b |
13 | 370353c2 |
14 | 21703519 |
15 | 1477b6d2 |
hex | d3d7173 |
222130547 has 2 divisors, whose sum is σ = 222130548. Its totient is φ = 222130546.
The previous prime is 222130453. The next prime is 222130549. The reversal of 222130547 is 745031222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 222130547 - 226 = 155021683 is a prime.
Together with 222130549, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (222130549) 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, 111065273 + 111065274.
It is an arithmetic number, because the mean of its divisors is an integer number (111065274).
Almost surely, 2222130547 is an apocalyptic number.
222130547 is a deficient number, since it is larger than the sum of its proper divisors (1).
222130547 is an equidigital number, since it uses as much as digits as its factorization.
222130547 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 222130547 is about 14904.0446523754. The cubic root of 222130547 is about 605.6235603539.
Adding to 222130547 its reverse (745031222), we get a palindrome (967161769).
It can be divided in two parts, 2221 and 30547, that added together give a 15-th power (32768 = 215).
The spelling of 222130547 in words is "two hundred twenty-two million, one hundred thirty thousand, five hundred forty-seven".
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