Base | Representation |
---|---|
bin | 11010011110100… |
… | …10100111010101 |
3 | 120110221110200021 |
4 | 31033102213111 |
5 | 423330042323 |
6 | 34012345141 |
7 | 5334631321 |
oct | 1517224725 |
9 | 513843607 |
10 | 222112213 |
11 | 104416214 |
12 | 624751b1 |
13 | 37029c5b |
14 | 216da981 |
15 | 1477605d |
hex | d3d29d5 |
222112213 has 8 divisors (see below), whose sum is σ = 225216000. Its totient is φ = 219015888.
The previous prime is 222112201. The next prime is 222112217. The reversal of 222112213 is 312211222.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 222112213 - 213 = 222104021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222112217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85863 + ... + 88411.
It is an arithmetic number, because the mean of its divisors is an integer number (28152000).
Almost surely, 2222112213 is an apocalyptic number.
It is an amenable number.
222112213 is a deficient number, since it is larger than the sum of its proper divisors (3103787).
222112213 is a wasteful number, since it uses less digits than its factorization.
222112213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3731.
The product of its digits is 96, while the sum is 16.
The square root of 222112213 is about 14903.4295717462. The cubic root of 222112213 is about 605.6068977682.
Adding to 222112213 its reverse (312211222), we get a palindrome (534323435).
Subtracting 222112213 from its reverse (312211222), we obtain a palindrome (90099009).
The spelling of 222112213 in words is "two hundred twenty-two million, one hundred twelve thousand, two hundred thirteen".
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