Base | Representation |
---|---|
bin | 101010010110… |
… | …1001110010010 |
3 | 1112210010222122 |
4 | 1110231032102 |
5 | 21141032310 |
6 | 2111534242 |
7 | 356512400 |
oct | 124551622 |
9 | 45703878 |
10 | 22205330 |
11 | 11597214 |
12 | 752a382 |
13 | 47a6164 |
14 | 2d40470 |
15 | 1e39555 |
hex | 152d392 |
22205330 has 24 divisors (see below), whose sum is σ = 46496268. Its totient is φ = 7613088.
The previous prime is 22205317. The next prime is 22205333. The reversal of 22205330 is 3350222.
It can be written as a sum of positive squares in 2 ways, for example, as 21799561 + 405769 = 4669^2 + 637^2 .
It is a junction number, because it is equal to n+sod(n) for n = 22205299 and 22205308.
It is not an unprimeable number, because it can be changed into a prime (22205333) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22169 + ... + 23148.
Almost surely, 222205330 is an apocalyptic number.
22205330 is an abundant number, since it is smaller than the sum of its proper divisors (24290938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22205330 is a wasteful number, since it uses less digits than its factorization.
22205330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45338 (or 45331 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 17.
The square root of 22205330 is about 4712.2531765600. The cubic root of 22205330 is about 281.0729664492.
Adding to 22205330 its reverse (3350222), we get a palindrome (25555552).
The spelling of 22205330 in words is "twenty-two million, two hundred five thousand, three hundred thirty".
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