Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010010111101110 |
3 | 12110012110222201221 |
4 | 1331321122113232 |
5 | 13311210432342 |
6 | 545331453554 |
7 | 103225264654 |
oct | 17571322756 |
9 | 5405428657 |
10 | 2112202222 |
11 | 994312879 |
12 | 4ab4572ba |
13 | 2787a0c00 |
14 | 160744dd4 |
15 | c5677a67 |
hex | 7de5a5ee |
2112202222 has 24 divisors (see below), whose sum is σ = 3611343960. Its totient is φ = 923551200.
The previous prime is 2112202199. The next prime is 2112202237. The reversal of 2112202222 is 2222022112.
It is a super-2 number, since 2×21122022222 = 8922796453243474568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2112202196 and 2112202205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158029 + ... + 170872.
It is an arithmetic number, because the mean of its divisors is an integer number (150472665).
Almost surely, 22112202222 is an apocalyptic number.
2112202222 is a deficient number, since it is larger than the sum of its proper divisors (1499141738).
2112202222 is a wasteful number, since it uses less digits than its factorization.
2112202222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328948 (or 328935 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2112202222 is about 45958.7012653752. The cubic root of 2112202222 is about 1283.0546798081.
Adding to 2112202222 its reverse (2222022112), we get a palindrome (4334224334).
The spelling of 2112202222 in words is "two billion, one hundred twelve million, two hundred two thousand, two hundred twenty-two".
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