Base | Representation |
---|---|
bin | 11010100001110… |
… | …00110001100111 |
3 | 120111201201200102 |
4 | 31100320301213 |
5 | 423431440123 |
6 | 34025334315 |
7 | 5341323305 |
oct | 1520706147 |
9 | 514651612 |
10 | 222530663 |
11 | 104681643 |
12 | 6263739b |
13 | 37145564 |
14 | 217a9275 |
15 | 1480a028 |
hex | d438c67 |
222530663 has 8 divisors (see below), whose sum is σ = 237183840. Its totient is φ = 208051200.
The previous prime is 222530639. The next prime is 222530683. The reversal of 222530663 is 366035222.
222530663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 222530663 - 210 = 222529639 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222530683) 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, 40778 + ... + 45911.
It is an arithmetic number, because the mean of its divisors is an integer number (29647980).
Almost surely, 2222530663 is an apocalyptic number.
222530663 is a deficient number, since it is larger than the sum of its proper divisors (14653177).
222530663 is a wasteful number, since it uses less digits than its factorization.
222530663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86857.
The product of its (nonzero) digits is 12960, while the sum is 29.
The square root of 222530663 is about 14917.4616808625. The cubic root of 222530663 is about 605.9869717670.
Adding to 222530663 its reverse (366035222), we get a palindrome (588565885).
The spelling of 222530663 in words is "two hundred twenty-two million, five hundred thirty thousand, six hundred sixty-three".
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