Base | Representation |
---|---|
bin | 1100111011000011010… |
… | …1101101100000001010 |
3 | 210020001021100210122121 |
4 | 3032300311231200022 |
5 | 12114134102431442 |
6 | 245553505041454 |
7 | 22016422403332 |
oct | 3166065554012 |
9 | 706037323577 |
10 | 222010202122 |
11 | 86176a75895 |
12 | 3703a92628a |
13 | 17c21303a07 |
14 | aa6135a0c2 |
15 | 5b9591a967 |
hex | 33b0d6d80a |
222010202122 has 4 divisors (see below), whose sum is σ = 333015303186. Its totient is φ = 111005101060.
The previous prime is 222010202107. The next prime is 222010202123. The reversal of 222010202122 is 221202010222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221202010222 = 2 ⋅110601005111.
It can be written as a sum of positive squares in only one way, i.e., 149321189241 + 72689012881 = 386421^2 + 269609^2 .
It is a junction number, because it is equal to n+sod(n) for n = 222010202096 and 222010202105.
It is not an unprimeable number, because it can be changed into a prime (222010202123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502550529 + ... + 55502550532.
Almost surely, 2222010202122 is an apocalyptic number.
222010202122 is a deficient number, since it is larger than the sum of its proper divisors (111005101064).
222010202122 is a wasteful number, since it uses less digits than its factorization.
222010202122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111005101063.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 222010202122 its reverse (221202010222), we get a palindrome (443212212344).
The spelling of 222010202122 in words is "two hundred twenty-two billion, ten million, two hundred two thousand, one hundred twenty-two".
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