Base | Representation |
---|---|
bin | 11010011110101… |
… | …10111110000111 |
3 | 120110222101011002 |
4 | 31033112332013 |
5 | 423331130210 |
6 | 34013003515 |
7 | 5335034330 |
oct | 1517267607 |
9 | 513871132 |
10 | 222130055 |
11 | 104428664 |
12 | 6248359b |
13 | 37035104 |
14 | 21703287 |
15 | 1477b4a5 |
hex | d3d6f87 |
222130055 has 16 divisors (see below), whose sum is σ = 312870720. Its totient is φ = 148200192.
The previous prime is 222130031. The next prime is 222130057. The reversal of 222130055 is 550031222.
It is not a de Polignac number, because 222130055 - 28 = 222129799 is a prime.
It is a super-2 number, since 2×2221300552 = 98683522668606050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222130057) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84470 + ... + 87059.
It is an arithmetic number, because the mean of its divisors is an integer number (19554420).
Almost surely, 2222130055 is an apocalyptic number.
222130055 is a deficient number, since it is larger than the sum of its proper divisors (90740665).
222130055 is a wasteful number, since it uses less digits than its factorization.
222130055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171578.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 222130055 is about 14904.0281467796. The cubic root of 222130055 is about 605.6231132189.
Adding to 222130055 its reverse (550031222), we get a palindrome (772161277).
The spelling of 222130055 in words is "two hundred twenty-two million, one hundred thirty thousand, fifty-five".
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