Base | Representation |
---|---|
bin | 1000010001110001… |
… | …0011101100100100 |
3 | 12201212002222002221 |
4 | 2010130103230210 |
5 | 14022313410340 |
6 | 1004253242124 |
7 | 106030541440 |
oct | 20434235444 |
9 | 5655088087 |
10 | 2222013220 |
11 | a402a5469 |
12 | 520193344 |
13 | 29546b22b |
14 | 17116b820 |
15 | d011944a |
hex | 84713b24 |
2222013220 has 96 divisors (see below), whose sum is σ = 5663927808. Its totient is φ = 714811392.
The previous prime is 2222013217. The next prime is 2222013289. The reversal of 2222013220 is 223102222.
It is a junction number, because it is equal to n+sod(n) for n = 2222013194 and 2222013203.
It is an unprimeable number.
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 in 31 ways as a sum of consecutive naturals, for example, 886489 + ... + 888991.
It is an arithmetic number, because the mean of its divisors is an integer number (58999248).
Almost surely, 22222013220 is an apocalyptic number.
2222013220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831963904).
2222013220 is an abundant number, since it is smaller than the sum of its proper divisors (3441914588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222013220 is a wasteful number, since it uses less digits than its factorization.
2222013220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2909 (or 2907 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2222013220 is about 47138.2352236483. The cubic root of 2222013220 is about 1304.9149683052.
Adding to 2222013220 its reverse (223102222), we get a palindrome (2445115442).
The spelling of 2222013220 in words is "two billion, two hundred twenty-two million, thirteen thousand, two hundred twenty".
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