Base | Representation |
---|---|
bin | 1000010001110101… |
… | …1100101100100000 |
3 | 12201212200011021011 |
4 | 2010131130230200 |
5 | 14022402442344 |
6 | 1004303510304 |
7 | 106033225246 |
oct | 20435345440 |
9 | 5655604234 |
10 | 2222312224 |
11 | a4048a080 |
12 | 5202b8394 |
13 | 295544362 |
14 | 171208796 |
15 | d0177d34 |
hex | 8475cb20 |
2222312224 has 72 divisors (see below), whose sum is σ = 4943837808. Its totient is φ = 975179520.
The previous prime is 2222312201. The next prime is 2222312263. The reversal of 2222312224 is 4222132222.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 2222312195 and 2222312204.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 292279 + ... + 299785.
It is an arithmetic number, because the mean of its divisors is an integer number (68664414).
Almost surely, 22222312224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222312224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471918904).
2222312224 is an abundant number, since it is smaller than the sum of its proper divisors (2721525584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222312224 is a wasteful number, since it uses less digits than its factorization.
2222312224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7586 (or 7549 counting only the distinct ones).
The product of its digits is 1536, while the sum is 22.
The square root of 2222312224 is about 47141.4066824485. The cubic root of 2222312224 is about 1304.9734974042.
Adding to 2222312224 its reverse (4222132222), we get a palindrome (6444444446).
The spelling of 2222312224 in words is "two billion, two hundred twenty-two million, three hundred twelve thousand, two hundred twenty-four".
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