Base | Representation |
---|---|
bin | 101010011111… |
… | …1111111110110 |
3 | 1112221001110210 |
4 | 1110333333312 |
5 | 21201012410 |
6 | 2113330250 |
7 | 360252525 |
oct | 124777766 |
9 | 45831423 |
10 | 22282230 |
11 | 11639a73 |
12 | 7566986 |
13 | 4802169 |
14 | 2d604bc |
15 | 1e52220 |
hex | 153fff6 |
22282230 has 32 divisors (see below), whose sum is σ = 54618624. Its totient is φ = 5815136.
The previous prime is 22282199. The next prime is 22282243. The reversal of 22282230 is 3228222.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 22282197 and 22282206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6492 + ... + 9311.
It is an arithmetic number, because the mean of its divisors is an integer number (1706832).
Almost surely, 222282230 is an apocalyptic number.
22282230 is an abundant number, since it is smaller than the sum of its proper divisors (32336394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22282230 is a wasteful number, since it uses less digits than its factorization.
22282230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15860.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 22282230 is about 4720.4057029031. The cubic root of 22282230 is about 281.3970569222.
The spelling of 22282230 in words is "twenty-two million, two hundred eighty-two thousand, two hundred thirty".
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