Base | Representation |
---|---|
bin | 11010011110101… |
… | …10111111010011 |
3 | 120110222101020220 |
4 | 31033112333103 |
5 | 423331131011 |
6 | 34013004123 |
7 | 5335034466 |
oct | 1517267723 |
9 | 513871226 |
10 | 222130131 |
11 | 104428723 |
12 | 62483643 |
13 | 37035162 |
14 | 217032dd |
15 | 1477b506 |
hex | d3d6fd3 |
222130131 has 16 divisors (see below), whose sum is σ = 309517824. Its totient is φ = 141561504.
The previous prime is 222130127. The next prime is 222130133. The reversal of 222130131 is 131031222.
It is not a de Polignac number, because 222130131 - 22 = 222130127 is a prime.
It is a super-2 number, since 2×2221301312 = 98683590196154322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 222130131.
It is not an unprimeable number, because it can be changed into a prime (222130133) 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, 12256 + ... + 24381.
It is an arithmetic number, because the mean of its divisors is an integer number (19344864).
Almost surely, 2222130131 is an apocalyptic number.
222130131 is a deficient number, since it is larger than the sum of its proper divisors (87387693).
222130131 is a wasteful number, since it uses less digits than its factorization.
222130131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36730.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 222130131 is about 14904.0306964257. The cubic root of 222130131 is about 605.6231822886.
Adding to 222130131 its reverse (131031222), we get a palindrome (353161353).
The spelling of 222130131 in words is "two hundred twenty-two million, one hundred thirty thousand, one hundred thirty-one".
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