Base | Representation |
---|---|
bin | 100100011011100… |
… | …1011010111010001 |
3 | 10011012012120111121 |
4 | 1020313023113101 |
5 | 10000420032032 |
6 | 321144442241 |
7 | 42202301263 |
oct | 11067132721 |
9 | 3135176447 |
10 | 1222424017 |
11 | 578032291 |
12 | 2a1479381 |
13 | 166346029 |
14 | b84c9b33 |
15 | 724b9a97 |
hex | 48dcb5d1 |
1222424017 has 2 divisors, whose sum is σ = 1222424018. Its totient is φ = 1222424016.
The previous prime is 1222424003. The next prime is 1222424041. The reversal of 1222424017 is 7104242221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1014804736 + 207619281 = 31856^2 + 14409^2 .
It is a cyclic number.
It is not a de Polignac number, because 1222424017 - 27 = 1222423889 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1222423982 and 1222424000.
It is not a weakly prime, because it can be changed into another prime (1222424087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611212008 + 611212009.
It is an arithmetic number, because the mean of its divisors is an integer number (611212009).
Almost surely, 21222424017 is an apocalyptic number.
It is an amenable number.
1222424017 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222424017 is an equidigital number, since it uses as much as digits as its factorization.
1222424017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 1222424017 is about 34963.1808764592. The cubic root of 1222424017 is about 1069.2369489130.
Adding to 1222424017 its reverse (7104242221), we get a palindrome (8326666238).
The spelling of 1222424017 in words is "one billion, two hundred twenty-two million, four hundred twenty-four thousand, seventeen".
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