Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1001010100000111 |
3 | 12201201200220111221 |
4 | 2010111121110013 |
5 | 14021332414343 |
6 | 1004150341211 |
7 | 106006253602 |
oct | 20425312407 |
9 | 5651626457 |
10 | 2220201223 |
11 | a3a278049 |
12 | 51b65a807 |
13 | 294c85546 |
14 | 170c19339 |
15 | cedac5ed |
hex | 84559507 |
2220201223 has 2 divisors, whose sum is σ = 2220201224. Its totient is φ = 2220201222.
The previous prime is 2220201187. The next prime is 2220201239. The reversal of 2220201223 is 3221020222.
It is an a-pointer prime, because the next prime (2220201239) can be obtained adding 2220201223 to its sum of digits (16).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2220201223 - 221 = 2218104071 is a prime.
It is a super-2 number, since 2×22202012232 = 9858586941221391458, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2220201197 and 2220201206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2220201253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110100611 + 1110100612.
It is an arithmetic number, because the mean of its divisors is an integer number (1110100612).
Almost surely, 22220201223 is an apocalyptic number.
2220201223 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220201223 is an equidigital number, since it uses as much as digits as its factorization.
2220201223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2220201223 is about 47119.0112693380. The cubic root of 2220201223 is about 1304.5601631808.
Adding to 2220201223 its reverse (3221020222), we get a palindrome (5441221445).
The spelling of 2220201223 in words is "two billion, two hundred twenty million, two hundred one thousand, two hundred twenty-three".
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