Base | Representation |
---|---|
bin | 1000010001110100… |
… | …0110011101001100 |
3 | 12201212111112022101 |
4 | 2010131012131030 |
5 | 14022342034012 |
6 | 1004301524444 |
7 | 106032365545 |
oct | 20435063514 |
9 | 5655445271 |
10 | 2222221132 |
11 | a4042769a |
12 | 520273724 |
13 | 295511a61 |
14 | 1711c34cc |
15 | d015ad57 |
hex | 8474674c |
2222221132 has 12 divisors (see below), whose sum is σ = 3899906136. Its totient is φ = 1107962240.
The previous prime is 2222221121. The next prime is 2222221159. The reversal of 2222221132 is 2311222222.
It is a super-2 number, since 2×22222211322 = 9876533519014722848, which contains 22 as substring.
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, 785494 + ... + 788317.
It is an arithmetic number, because the mean of its divisors is an integer number (324992178).
Almost surely, 22222221132 is an apocalyptic number.
It is an amenable number.
2222221132 is a deficient number, since it is larger than the sum of its proper divisors (1677685004).
2222221132 is a wasteful number, since it uses less digits than its factorization.
2222221132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1574168 (or 1574166 counting only the distinct ones).
The product of its digits is 384, while the sum is 19.
The square root of 2222221132 is about 47140.4405155489. The cubic root of 2222221132 is about 1304.9556669858.
Adding to 2222221132 its reverse (2311222222), we get a palindrome (4533443354).
The spelling of 2222221132 in words is "two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-two".
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