Base | Representation |
---|---|
bin | 10110110001001010… |
… | …00100110010111101 |
3 | 1011112212201202220121 |
4 | 23120211010302331 |
5 | 200013211012341 |
6 | 5340532414541 |
7 | 611624211115 |
oct | 133045046275 |
9 | 34485652817 |
10 | 12223532221 |
11 | 520295774a |
12 | 2451777451 |
13 | 11ca56ac04 |
14 | 83d5a8045 |
15 | 4b81c74d1 |
hex | 2d8944cbd |
12223532221 has 16 divisors (see below), whose sum is σ = 12723264000. Its totient is φ = 11730657600.
The previous prime is 12223532207. The next prime is 12223532227.
12223532221 is nontrivially palindromic in base 10.
12223532221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12223532221 - 213 = 12223524029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12223532227) 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 15 ways as a sum of consecutive naturals, for example, 3411651 + ... + 3415231.
It is an arithmetic number, because the mean of its divisors is an integer number (795204000).
Almost surely, 212223532221 is an apocalyptic number.
It is an amenable number.
12223532221 is a deficient number, since it is larger than the sum of its proper divisors (499731779).
12223532221 is a wasteful number, since it uses less digits than its factorization.
12223532221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4500.
The product of its digits is 2880, while the sum is 25.
The spelling of 12223532221 in words is "twelve billion, two hundred twenty-three million, five hundred thirty-two thousand, two hundred twenty-one".
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