Base | Representation |
---|---|
bin | 11010010001110… |
… | …11001001010110 |
3 | 120100210200020210 |
4 | 31020323021112 |
5 | 422413140342 |
6 | 33512510250 |
7 | 5314510416 |
oct | 1510731126 |
9 | 510720223 |
10 | 220443222 |
11 | 10348628a |
12 | 619ab386 |
13 | 3689439c |
14 | 213c4646 |
15 | 1454679c |
hex | d23b256 |
220443222 has 8 divisors (see below), whose sum is σ = 440886456. Its totient is φ = 73481072.
The previous prime is 220443211. The next prime is 220443227. The reversal of 220443222 is 222344022.
220443222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
220443222 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220443227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18370263 + ... + 18370274.
It is an arithmetic number, because the mean of its divisors is an integer number (55110807).
Almost surely, 2220443222 is an apocalyptic number.
220443222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220443222 is a wasteful number, since it uses less digits than its factorization.
220443222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36740542.
The product of its (nonzero) digits is 1536, while the sum is 21.
The square root of 220443222 is about 14847.3304671244. The cubic root of 220443222 is about 604.0862028479.
Adding to 220443222 its reverse (222344022), we get a palindrome (442787244).
The spelling of 220443222 in words is "two hundred twenty million, four hundred forty-three thousand, two hundred twenty-two".
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