Base | Representation |
---|---|
bin | 1000010001110010… |
… | …1011110111010100 |
3 | 12201212021222220022 |
4 | 2010130223313110 |
5 | 14022330042322 |
6 | 1004255324312 |
7 | 106031433155 |
oct | 20434536724 |
9 | 5655258808 |
10 | 2222112212 |
11 | a40362881 |
12 | 520220698 |
13 | 2954a42c8 |
14 | 17119592c |
15 | d0138942 |
hex | 8472bdd4 |
2222112212 has 6 divisors (see below), whose sum is σ = 3888696378. Its totient is φ = 1111056104.
The previous prime is 2222112199. The next prime is 2222112229. The reversal of 2222112212 is 2122112222.
It is a happy number.
2222112212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 1622156176 + 599956036 = 40276^2 + 24494^2 .
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277764023 + ... + 277764030.
It is an arithmetic number, because the mean of its divisors is an integer number (648116063).
Almost surely, 22222112212 is an apocalyptic number.
It is an amenable number.
2222112212 is a deficient number, since it is larger than the sum of its proper divisors (1666584166).
2222112212 is a wasteful number, since it uses less digits than its factorization.
2222112212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 555528057 (or 555528055 counting only the distinct ones).
The product of its digits is 128, while the sum is 17.
The square root of 2222112212 is about 47139.2852300499. The cubic root of 2222112212 is about 1304.9343462613.
Adding to 2222112212 its reverse (2122112222), we get a palindrome (4344224434).
The spelling of 2222112212 in words is "two billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twelve".
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