Base | Representation |
---|---|
bin | 1110100100100… |
… | …01010111000011 |
3 | 22111222221022212 |
4 | 13102101113003 |
5 | 222242331321 |
6 | 20043452335 |
7 | 3012640205 |
oct | 722212703 |
9 | 274887285 |
10 | 122230211 |
11 | 62aa5404 |
12 | 34b270ab |
13 | 1c42808c |
14 | 1233a775 |
15 | aae655b |
hex | 74915c3 |
122230211 has 12 divisors (see below), whose sum is σ = 134511720. Its totient is φ = 110753280.
The previous prime is 122230201. The next prime is 122230217. The reversal of 122230211 is 112032221.
It is a happy number.
It is not a de Polignac number, because 122230211 - 214 = 122213827 is a prime.
It is a super-2 number, since 2×1222302112 = 29880448962209042, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122230217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3971 + ... + 16131.
It is an arithmetic number, because the mean of its divisors is an integer number (11209310).
Almost surely, 2122230211 is an apocalyptic number.
122230211 is a deficient number, since it is larger than the sum of its proper divisors (12281509).
122230211 is a wasteful number, since it uses less digits than its factorization.
122230211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12226 (or 12203 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 122230211 is about 11055.7772680169. Note that the first 3 decimals coincide. The cubic root of 122230211 is about 496.2793299036.
Adding to 122230211 its reverse (112032221), we get a palindrome (234262432).
The spelling of 122230211 in words is "one hundred twenty-two million, two hundred thirty thousand, two hundred eleven".
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