Base | Representation |
---|---|
bin | 101010001011… |
… | …0011111100110 |
3 | 1112121102021111 |
4 | 1110112133212 |
5 | 21130042410 |
6 | 2105535234 |
7 | 355644100 |
oct | 124263746 |
9 | 45542244 |
10 | 22112230 |
11 | 11533278 |
12 | 74a451a |
13 | 477297a |
14 | 2d18570 |
15 | 1e1bb8a |
hex | 15167e6 |
22112230 has 24 divisors (see below), whose sum is σ = 46301328. Its totient is φ = 7581168.
The previous prime is 22112221. The next prime is 22112249. The reversal of 22112230 is 3221122.
It is a self number, because there is not a number n which added to its sum of digits gives 22112230.
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, 22074 + ... + 23053.
It is an arithmetic number, because the mean of its divisors is an integer number (1929222).
Almost surely, 222112230 is an apocalyptic number.
22112230 is an abundant number, since it is smaller than the sum of its proper divisors (24189098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22112230 is a wasteful number, since it uses less digits than its factorization.
22112230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45148 (or 45141 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 22112230 is about 4702.3642989458. The cubic root of 22112230 is about 280.6795991832.
Adding to 22112230 its reverse (3221122), we get a palindrome (25333352).
The spelling of 22112230 in words is "twenty-two million, one hundred twelve thousand, two hundred thirty".
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