Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0011100101011110 |
3 | 12201201112101102121 |
4 | 2010111003211132 |
5 | 14021322042342 |
6 | 1004144413154 |
7 | 106005433246 |
oct | 20425034536 |
9 | 5651471377 |
10 | 2220112222 |
11 | a3a217199 |
12 | 51b6171ba |
13 | 294c53b93 |
14 | 170bd4b26 |
15 | ced91067 |
hex | 8454395e |
2220112222 has 4 divisors (see below), whose sum is σ = 3330168336. Its totient is φ = 1110056110.
The previous prime is 2220112217. The next prime is 2220112241. The reversal of 2220112222 is 2222110222.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 2220112196 and 2220112205.
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, 555028054 + ... + 555028057.
It is an arithmetic number, because the mean of its divisors is an integer number (832542084).
Almost surely, 22220112222 is an apocalyptic number.
2220112222 is a deficient number, since it is larger than the sum of its proper divisors (1110056114).
2220112222 is a wasteful number, since it uses less digits than its factorization.
2220112222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1110056113.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2220112222 is about 47118.0668321611. The cubic root of 2220112222 is about 1304.5427310206.
Adding to 2220112222 its reverse (2222110222), we get a palindrome (4442222444).
The spelling of 2220112222 in words is "two billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-two".
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