Base | Representation |
---|---|
bin | 10000111001000110111110 |
3 | 22022222101020 |
4 | 100321012332 |
5 | 2113200342 |
6 | 234525010 |
7 | 52432161 |
oct | 20710676 |
9 | 8288336 |
10 | 4428222 |
11 | 2554a97 |
12 | 1596766 |
13 | bc0766 |
14 | 833ad8 |
15 | 5c70ec |
hex | 4391be |
4428222 has 16 divisors (see below), whose sum is σ = 8884992. Its totient is φ = 1471320.
The previous prime is 4428191. The next prime is 4428223. The reversal of 4428222 is 2228244.
4428222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 4428192 and 4428201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4428223) 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, 1197 + ... + 3207.
It is an arithmetic number, because the mean of its divisors is an integer number (555312).
Almost surely, 24428222 is an apocalyptic number.
4428222 is an abundant number, since it is smaller than the sum of its proper divisors (4456770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4428222 is a wasteful number, since it uses less digits than its factorization.
4428222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2383.
The product of its digits is 2048, while the sum is 24.
The square root of 4428222 is about 2104.3340989491. The cubic root of 4428222 is about 164.2138544669.
The spelling of 4428222 in words is "four million, four hundred twenty-eight thousand, two hundred twenty-two".
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