Base | Representation |
---|---|
bin | 1000010001110100… |
… | …0001010110001101 |
3 | 12201212110110121022 |
4 | 2010131001112031 |
5 | 14022340401310 |
6 | 1004301243525 |
7 | 106032250541 |
oct | 20435012615 |
9 | 5655413538 |
10 | 2222200205 |
11 | a404129a5 |
12 | 5202635a5 |
13 | 295505384 |
14 | 1711b9a21 |
15 | d0154a55 |
hex | 8474158d |
2222200205 has 16 divisors (see below), whose sum is σ = 2805519024. Its totient is φ = 1687518720.
The previous prime is 2222200163. The next prime is 2222200207. The reversal of 2222200205 is 5020022222.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1623076 + 2220577129 = 1274^2 + 47123^2 .
It is not a de Polignac number, because 2222200205 - 222 = 2218005901 is a prime.
It is a super-2 number, since 2×22222002052 = 9876347502204084050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222200207) 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 15 ways as a sum of consecutive naturals, for example, 138902 + ... + 154071.
It is an arithmetic number, because the mean of its divisors is an integer number (175344939).
Almost surely, 22222200205 is an apocalyptic number.
It is an amenable number.
2222200205 is a deficient number, since it is larger than the sum of its proper divisors (583318819).
2222200205 is a wasteful number, since it uses less digits than its factorization.
2222200205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293056.
The product of its (nonzero) digits is 320, while the sum is 17.
The square root of 2222200205 is about 47140.2185506177. The cubic root of 2222200205 is about 1304.9515706498.
Adding to 2222200205 its reverse (5020022222), we get a palindrome (7242222427).
The spelling of 2222200205 in words is "two billion, two hundred twenty-two million, two hundred thousand, two hundred five".
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