Base | Representation |
---|---|
bin | 10100100000100000… |
… | …100001000000110111 |
3 | 2002211121221122111101 |
4 | 110200200201000313 |
5 | 330044134344343 |
6 | 14041013550531 |
7 | 1406452606564 |
oct | 244040410067 |
9 | 62747848441 |
10 | 22020231223 |
11 | 937a934701 |
12 | 4326645447 |
13 | 20cc0b6723 |
14 | 10cc72986b |
15 | 88d2c7e4d |
hex | 520821037 |
22020231223 has 8 divisors (see below), whose sum is σ = 23316986160. Its totient is φ = 20723637120.
The previous prime is 22020231161. The next prime is 22020231227. The reversal of 22020231223 is 32213202022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22020231223 - 225 = 21986676791 is a prime.
It is a super-2 number, since 2×220202312232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 22020231223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22020231227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349893 + ... + 408001.
It is an arithmetic number, because the mean of its divisors is an integer number (2914623270).
Almost surely, 222020231223 is an apocalyptic number.
22020231223 is a deficient number, since it is larger than the sum of its proper divisors (1296754937).
22020231223 is a wasteful number, since it uses less digits than its factorization.
22020231223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80417.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 22020231223 its reverse (32213202022), we get a palindrome (54233433245).
The spelling of 22020231223 in words is "twenty-two billion, twenty million, two hundred thirty-one thousand, two hundred twenty-three".
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