Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1110001001011110 |
3 | 12201201201220200020 |
4 | 2010111132021132 |
5 | 14021334033042 |
6 | 1004151013010 |
7 | 106006365405 |
oct | 20425361136 |
9 | 5651656606 |
10 | 2220221022 |
11 | a3a290a08 |
12 | 51b66a166 |
13 | 294c91566 |
14 | 170c2263c |
15 | cedb33ec |
hex | 8455e25e |
2220221022 has 32 divisors (see below), whose sum is σ = 4681921920. Its totient is φ = 699956640.
The previous prime is 2220220999. The next prime is 2220221071. The reversal of 2220221022 is 2201220222.
It is a junction number, because it is equal to n+sod(n) for n = 2220220992 and 2220221010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53997 + ... + 85767.
It is an arithmetic number, because the mean of its divisors is an integer number (146310060).
Almost surely, 22220221022 is an apocalyptic number.
2220221022 is an abundant number, since it is smaller than the sum of its proper divisors (2461700898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220221022 is a wasteful number, since it uses less digits than its factorization.
2220221022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32408.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 2220221022 is about 47119.2213645345. The cubic root of 2220221022 is about 1304.5640410441.
Adding to 2220221022 its reverse (2201220222), we get a palindrome (4421441244).
The spelling of 2220221022 in words is "two billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".
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