Base | Representation |
---|---|
bin | 10100101011110101… |
… | …100101000100001100 |
3 | 2010022212121020212221 |
4 | 110223311211010030 |
5 | 330441314132340 |
6 | 14111523505124 |
7 | 1414251311461 |
oct | 245365450414 |
9 | 63285536787 |
10 | 22210302220 |
11 | 9468155877 |
12 | 437a2281a4 |
13 | 212c5a5582 |
14 | 1109a85668 |
15 | 89ed2044a |
hex | 52bd6510c |
22210302220 has 24 divisors (see below), whose sum is σ = 46649812608. Its totient is φ = 8882563200.
The previous prime is 22210302203. The next prime is 22210302223. The reversal of 22210302220 is 2220301222.
It is a junction number, because it is equal to n+sod(n) for n = 22210302194 and 22210302203.
It is not an unprimeable number, because it can be changed into a prime (22210302223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23205 + ... + 212035.
It is an arithmetic number, because the mean of its divisors is an integer number (1943742192).
Almost surely, 222210302220 is an apocalyptic number.
22210302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22210302220 is an abundant number, since it is smaller than the sum of its proper divisors (24439510388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22210302220 is a wasteful number, since it uses less digits than its factorization.
22210302220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194721 (or 194719 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 22210302220 its reverse (2220301222), we get a palindrome (24430603442).
The spelling of 22210302220 in words is "twenty-two billion, two hundred ten million, three hundred two thousand, two hundred twenty".
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