Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1000001111011100 |
3 | 12201201022200210101 |
4 | 2010110220033130 |
5 | 14021310001340 |
6 | 1004142150444 |
7 | 106004455564 |
oct | 20424501734 |
9 | 5651280711 |
10 | 2220000220 |
11 | a3a150029 |
12 | 51b582424 |
13 | 294c14bc9 |
14 | 170ba5da4 |
15 | ced6cc9a |
hex | 845283dc |
2220000220 has 24 divisors (see below), whose sum is σ = 4685436000. Its totient is φ = 883536192.
The previous prime is 2220000217. The next prime is 2220000221. The reversal of 2220000220 is 220000222.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 2220000197 and 2220000206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220000221) 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 in 7 ways as a sum of consecutive naturals, for example, 274915 + ... + 282874.
It is an arithmetic number, because the mean of its divisors is an integer number (195226500).
Almost surely, 22220000220 is an apocalyptic number.
2220000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220000220 is an abundant number, since it is smaller than the sum of its proper divisors (2465435780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220000220 is a wasteful number, since it uses less digits than its factorization.
2220000220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 557997 (or 557995 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 10.
The square root of 2220000220 is about 47116.8782921789. The cubic root of 2220000220 is about 1304.5207931127.
Adding to 2220000220 its reverse (220000222), we get a palindrome (2440000442).
The spelling of 2220000220 in words is "two billion, two hundred twenty million, two hundred twenty", and thus it is an aban number.
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