Base | Representation |
---|---|
bin | 1000001111011010… |
… | …0001111110001110 |
3 | 12201011110211202020 |
4 | 2003312201332032 |
5 | 14012300011342 |
6 | 1003301111010 |
7 | 105550424640 |
oct | 20366417616 |
9 | 5634424666 |
10 | 2212110222 |
11 | a35751173 |
12 | 5189b8466 |
13 | 2933b187a |
14 | 16db10890 |
15 | ce3100ec |
hex | 83da1f8e |
2212110222 has 64 divisors (see below), whose sum is σ = 5211952128. Its totient is φ = 612864000.
The previous prime is 2212110221. The next prime is 2212110247. The reversal of 2212110222 is 2220112122.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212110221) 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 31 ways as a sum of consecutive naturals, for example, 175822 + ... + 187982.
It is an arithmetic number, because the mean of its divisors is an integer number (81436752).
Almost surely, 22212110222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2212110222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605976064).
2212110222 is an abundant number, since it is smaller than the sum of its proper divisors (2999841906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212110222 is a wasteful number, since it uses less digits than its factorization.
2212110222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12305.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 2212110222 is about 47033.0758296754. The cubic root of 2212110222 is about 1302.9735133649.
Adding to 2212110222 its reverse (2220112122), we get a palindrome (4432222344).
The spelling of 2212110222 in words is "two billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-two".
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