Base | Representation |
---|---|
bin | 11010011110101… |
… | …00100100001001 |
3 | 120110221212122010 |
4 | 31033110210021 |
5 | 423330321301 |
6 | 34012450133 |
7 | 5334663522 |
oct | 1517244411 |
9 | 513855563 |
10 | 222120201 |
11 | 104421216 |
12 | 62479949 |
13 | 37030794 |
14 | 216dd849 |
15 | 147785d6 |
hex | d3d4909 |
222120201 has 8 divisors (see below), whose sum is σ = 299728800. Its totient is φ = 146295872.
The previous prime is 222120179. The next prime is 222120211. The reversal of 222120201 is 102021222.
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 222120201 - 25 = 222120169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (222120211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445776 + ... + 446273.
It is an arithmetic number, because the mean of its divisors is an integer number (37466100).
Almost surely, 2222120201 is an apocalyptic number.
It is an amenable number.
222120201 is a deficient number, since it is larger than the sum of its proper divisors (77608599).
222120201 is an equidigital number, since it uses as much as digits as its factorization.
222120201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 892135.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 222120201 is about 14903.6975613436. The cubic root of 222120201 is about 605.6141576570.
Adding to 222120201 its reverse (102021222), we get a palindrome (324141423).
It can be divided in two parts, 2221 and 20201, that added together give a palindrome (22422).
The spelling of 222120201 in words is "two hundred twenty-two million, one hundred twenty thousand, two hundred one".
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