Base | Representation |
---|---|
bin | 1100111100100110000… |
… | …1110101111100100111 |
3 | 210021010010210110120012 |
4 | 3033021201311330213 |
5 | 12121011123033411 |
6 | 250102543200435 |
7 | 22032612261062 |
oct | 3171141657447 |
9 | 707103713505 |
10 | 222424424231 |
11 | 86369875009 |
12 | 371355a611b |
13 | 17c89084859 |
14 | aaa03838d9 |
15 | 5bbbe8d18b |
hex | 33c9875f27 |
222424424231 has 2 divisors, whose sum is σ = 222424424232. Its totient is φ = 222424424230.
The previous prime is 222424424221. The next prime is 222424424251. The reversal of 222424424231 is 132424424222.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-222424424231 is a prime.
It is a super-2 number, since 2×2224244242312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (222424424221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111212212115 + 111212212116.
It is an arithmetic number, because the mean of its divisors is an integer number (111212212116).
Almost surely, 2222424424231 is an apocalyptic number.
222424424231 is a deficient number, since it is larger than the sum of its proper divisors (1).
222424424231 is an equidigital number, since it uses as much as digits as its factorization.
222424424231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 49152, while the sum is 32.
Adding to 222424424231 its reverse (132424424222), we get a palindrome (354848848453).
Subtracting from 222424424231 its reverse (132424424222), we obtain a palindrome (90000000009).
The spelling of 222424424231 in words is "two hundred twenty-two billion, four hundred twenty-four million, four hundred twenty-four thousand, two hundred thirty-one".
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