Base | Representation |
---|---|
bin | 11010011111011… |
… | …01001011101001 |
3 | 120111010222221122 |
4 | 31033231023221 |
5 | 423342033113 |
6 | 34014545025 |
7 | 5335563506 |
oct | 1517551351 |
9 | 514128848 |
10 | 222221033 |
11 | 10448aa51 |
12 | 62508175 |
13 | 37067648 |
14 | 217284ad |
15 | 14798408 |
hex | d3ed2e9 |
222221033 has 8 divisors (see below), whose sum is σ = 227884800. Its totient is φ = 216579888.
The previous prime is 222220993. The next prime is 222221047. The reversal of 222221033 is 330122222.
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 222221033 - 216 = 222155497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (222221063) 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 in 7 ways as a sum of consecutive naturals, for example, 15203 + ... + 25991.
It is an arithmetic number, because the mean of its divisors is an integer number (28485600).
Almost surely, 2222221033 is an apocalyptic number.
It is an amenable number.
222221033 is a deficient number, since it is larger than the sum of its proper divisors (5663767).
222221033 is a wasteful number, since it uses less digits than its factorization.
222221033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11311.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 222221033 is about 14907.0799622193. The cubic root of 222221033 is about 605.7057837954.
Adding to 222221033 its reverse (330122222), we get a palindrome (552343255).
The spelling of 222221033 in words is "two hundred twenty-two million, two hundred twenty-one thousand, thirty-three".
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