Base | Representation |
---|---|
bin | 10100101100100110… |
… | …110100111011000110 |
3 | 2010100202220011002110 |
4 | 110230212310323012 |
5 | 331003120242410 |
6 | 14113104321450 |
7 | 1414466121132 |
oct | 245446647306 |
9 | 63322804073 |
10 | 22223212230 |
11 | 94744732aa |
12 | 4382613286 |
13 | 213217582b |
14 | 110b6863c2 |
15 | 8a1020720 |
hex | 52c9b4ec6 |
22223212230 has 32 divisors (see below), whose sum is σ = 53341058304. Its totient is φ = 5925595616.
The previous prime is 22223212211. The next prime is 22223212261. The reversal of 22223212230 is 3221232222.
It is a junction number, because it is equal to n+sod(n) for n = 22223212197 and 22223212206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324799 + ... + 387221.
It is an arithmetic number, because the mean of its divisors is an integer number (1666908072).
Almost surely, 222223212230 is an apocalyptic number.
22223212230 is an abundant number, since it is smaller than the sum of its proper divisors (31117846074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22223212230 is a wasteful number, since it uses less digits than its factorization.
22223212230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74300.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 22223212230 its reverse (3221232222), we get a palindrome (25444444452).
The spelling of 22223212230 in words is "twenty-two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred thirty".
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