Base | Representation |
---|---|
bin | 11010100001000… |
… | …11111010101110 |
3 | 120111120101111020 |
4 | 31100203322232 |
5 | 423421221410 |
6 | 34023435010 |
7 | 5340516240 |
oct | 1520437256 |
9 | 514511436 |
10 | 222445230 |
11 | 104623437 |
12 | 625b5a66 |
13 | 371156c7 |
14 | 21786090 |
15 | 147dea70 |
hex | d423eae |
222445230 has 32 divisors (see below), whose sum is σ = 610136064. Its totient is φ = 50844576.
The previous prime is 222445193. The next prime is 222445231. The reversal of 222445230 is 32544222.
It is a happy number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 222445230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222445231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529422 + ... + 529841.
It is an arithmetic number, because the mean of its divisors is an integer number (19066752).
Almost surely, 2222445230 is an apocalyptic number.
222445230 is an abundant number, since it is smaller than the sum of its proper divisors (387690834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222445230 is a wasteful number, since it uses less digits than its factorization.
222445230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1059280.
The product of its (nonzero) digits is 3840, while the sum is 24.
The square root of 222445230 is about 14914.5978826115. The cubic root of 222445230 is about 605.9094125504.
Adding to 222445230 its reverse (32544222), we get a palindrome (254989452).
The spelling of 222445230 in words is "two hundred twenty-two million, four hundred forty-five thousand, two hundred thirty".
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