Base | Representation |
---|---|
bin | 1000010001100100… |
… | …1101001101011110 |
3 | 12201210120122212220 |
4 | 2010121031031132 |
5 | 14022111401342 |
6 | 1004224010210 |
7 | 106020614253 |
oct | 20431151536 |
9 | 5653518786 |
10 | 2221200222 |
11 | a3a89a66a |
12 | 51ba60966 |
13 | 295245177 |
14 | 170dd942a |
15 | d00085ec |
hex | 8464d35e |
2221200222 has 8 divisors (see below), whose sum is σ = 4442400456. Its totient is φ = 740400072.
The previous prime is 2221200209. The next prime is 2221200239. The reversal of 2221200222 is 2220021222.
It is a sphenic number, since it is the product of 3 distinct primes.
2221200222 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185100013 + ... + 185100024.
It is an arithmetic number, because the mean of its divisors is an integer number (555300057).
Almost surely, 22221200222 is an apocalyptic number.
2221200222 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.
2221200222 is a wasteful number, since it uses less digits than its factorization.
2221200222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370200042.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 2221200222 is about 47129.6108831804. The cubic root of 2221200222 is about 1304.7557999342.
Adding to 2221200222 its reverse (2220021222), we get a palindrome (4441221444).
The spelling of 2221200222 in words is "two billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".
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