Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1011111111111111 |
3 | 12201201201110121100 |
4 | 2010111123333333 |
5 | 14021333242343 |
6 | 1004150504143 |
7 | 106006330635 |
oct | 20425337777 |
9 | 5651643540 |
10 | 2220212223 |
11 | a3a285339 |
12 | 51b665053 |
13 | 294c8a558 |
14 | 170c1d355 |
15 | cedb09d3 |
hex | 8455bfff |
2220212223 has 12 divisors (see below), whose sum is σ = 3395618928. Its totient is φ = 1393074240.
The previous prime is 2220212221. The next prime is 2220212243. The reversal of 2220212223 is 3222120222.
It is not a de Polignac number, because 2220212223 - 21 = 2220212221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2220212196 and 2220212205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220212221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7255443 + ... + 7255748.
It is an arithmetic number, because the mean of its divisors is an integer number (282968244).
Almost surely, 22220212223 is an apocalyptic number.
2220212223 is a deficient number, since it is larger than the sum of its proper divisors (1175406705).
2220212223 is a wasteful number, since it uses less digits than its factorization.
2220212223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14511214 (or 14511211 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2220212223 is about 47119.1279949025. The cubic root of 2220212223 is about 1304.5623176610.
Adding to 2220212223 its reverse (3222120222), we get a palindrome (5442332445).
The spelling of 2220212223 in words is "two billion, two hundred twenty million, two hundred twelve thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •