Base | Representation |
---|---|
bin | 11010011101111… |
… | …01010101011111 |
3 | 120110210001010012 |
4 | 31032331111133 |
5 | 423314300210 |
6 | 34010433435 |
7 | 5334116240 |
oct | 1516752537 |
9 | 513701105 |
10 | 222025055 |
11 | 10436678a |
12 | 6243287b |
13 | 36cc9395 |
14 | 216b6cc7 |
15 | 1475a305 |
hex | d3bd55f |
222025055 has 16 divisors (see below), whose sum is σ = 309486144. Its totient is φ = 149748480.
The previous prime is 222025033. The next prime is 222025057. The reversal of 222025055 is 550520222.
It is a happy number.
It is not a de Polignac number, because 222025055 - 26 = 222024991 is a prime.
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 222025055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222025057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49862 + ... + 54131.
It is an arithmetic number, because the mean of its divisors is an integer number (19342884).
Almost surely, 2222025055 is an apocalyptic number.
222025055 is a deficient number, since it is larger than the sum of its proper divisors (87461089).
222025055 is a wasteful number, since it uses less digits than its factorization.
222025055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104066.
The product of its (nonzero) digits is 2000, while the sum is 23.
The square root of 222025055 is about 14900.5051927779. The cubic root of 222025055 is about 605.5276729611.
Adding to 222025055 its reverse (550520222), we get a palindrome (772545277).
The spelling of 222025055 in words is "two hundred twenty-two million, twenty-five thousand, fifty-five".
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