Base | Representation |
---|---|
bin | 101010001010… |
… | …1101110111101 |
3 | 1112121021000012 |
4 | 1110111232331 |
5 | 21124442432 |
6 | 2105513005 |
7 | 355632032 |
oct | 124255675 |
9 | 45537005 |
10 | 22109117 |
11 | 115309a8 |
12 | 74a2765 |
13 | 4771424 |
14 | 2d17389 |
15 | 1e1acb2 |
hex | 1515bbd |
22109117 has 2 divisors, whose sum is σ = 22109118. Its totient is φ = 22109116.
The previous prime is 22109093. The next prime is 22109123. The reversal of 22109117 is 71190122.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21771556 + 337561 = 4666^2 + 581^2 .
It is a cyclic number.
It is not a de Polignac number, because 22109117 - 220 = 21060541 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 22109092 and 22109101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22109167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11054558 + 11054559.
It is an arithmetic number, because the mean of its divisors is an integer number (11054559).
Almost surely, 222109117 is an apocalyptic number.
It is an amenable number.
22109117 is a deficient number, since it is larger than the sum of its proper divisors (1).
22109117 is an equidigital number, since it uses as much as digits as its factorization.
22109117 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 23.
The square root of 22109117 is about 4702.0332835913. The cubic root of 22109117 is about 280.6664270367. Note that the first 3 decimals are identical.
Adding to 22109117 its reverse (71190122), we get a palindrome (93299239).
The spelling of 22109117 in words is "twenty-two million, one hundred nine thousand, one hundred seventeen".
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