Base | Representation |
---|---|
bin | 1000010001110001… |
… | …0001000000101100 |
3 | 12201212002102000112 |
4 | 2010130101000230 |
5 | 14022313032340 |
6 | 1004253115152 |
7 | 106030464404 |
oct | 20434210054 |
9 | 5655072015 |
10 | 2222002220 |
11 | a40298179 |
12 | 520188ab8 |
13 | 295466219 |
14 | 171167804 |
15 | d0116065 |
hex | 8471102c |
2222002220 has 24 divisors (see below), whose sum is σ = 4676616000. Its totient is φ = 886817792.
The previous prime is 2222002217. The next prime is 2222002241. The reversal of 2222002220 is 222002222.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 2222002195 and 2222002204.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114740 + ... + 132699.
It is an arithmetic number, because the mean of its divisors is an integer number (194859000).
Almost surely, 22222002220 is an apocalyptic number.
2222002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2222002220 is an abundant number, since it is smaller than the sum of its proper divisors (2454613780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222002220 is a wasteful number, since it uses less digits than its factorization.
2222002220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247897 (or 247895 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 14.
The square root of 2222002220 is about 47138.1185453981. The cubic root of 2222002220 is about 1304.9128149894.
Adding to 2222002220 its reverse (222002222), we get a palindrome (2444004442).
It can be divided in two parts, 2222002 and 220, that added together give a palindrome (2222222).
The spelling of 2222002220 in words is "two billion, two hundred twenty-two million, two thousand, two hundred twenty".
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