Base | Representation |
---|---|
bin | 101010010111… |
… | …0011010110110 |
3 | 1112210101201010 |
4 | 1110232122312 |
5 | 21141211410 |
6 | 2112013050 |
7 | 356532600 |
oct | 124563266 |
9 | 45711633 |
10 | 22210230 |
11 | 1159a969 |
12 | 7531186 |
13 | 47a8463 |
14 | 2d42170 |
15 | 1e3ac20 |
hex | 152e6b6 |
22210230 has 96 divisors (see below), whose sum is σ = 64268640. Its totient is φ = 4892160.
The previous prime is 22210213. The next prime is 22210267. The reversal of 22210230 is 3201222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42370 + ... + 42890.
It is an arithmetic number, because the mean of its divisors is an integer number (669465).
Almost surely, 222210230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22210230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32134320).
22210230 is an abundant number, since it is smaller than the sum of its proper divisors (42058410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22210230 is a wasteful number, since it uses less digits than its factorization.
22210230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 574 (or 567 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 22210230 is about 4712.7730690115. The cubic root of 22210230 is about 281.0936395075.
Adding to 22210230 its reverse (3201222), we get a palindrome (25411452).
The spelling of 22210230 in words is "twenty-two million, two hundred ten thousand, two hundred thirty".
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