Base | Representation |
---|---|
bin | 1000010001110010… |
… | …1001001101001001 |
3 | 12201212021102221221 |
4 | 2010130221031021 |
5 | 14022324220241 |
6 | 1004255202041 |
7 | 106031356336 |
oct | 20434511511 |
9 | 5655242857 |
10 | 2222101321 |
11 | a40355680 |
12 | 520216321 |
13 | 29549c36b |
14 | 17119198d |
15 | d01355d1 |
hex | 84729349 |
2222101321 has 8 divisors (see below), whose sum is σ = 2424485088. Its totient is φ = 2019780000.
The previous prime is 2222101309. The next prime is 2222101333. The reversal of 2222101321 is 1231012222.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2222101309) and next prime (2222101333).
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 2222101321 - 25 = 2222101289 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2222101295 and 2222101304.
It is not an unprimeable number, because it can be changed into a prime (2222101361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89746 + ... + 111796.
It is an arithmetic number, because the mean of its divisors is an integer number (303060636).
Almost surely, 22222101321 is an apocalyptic number.
It is an amenable number.
2222101321 is a deficient number, since it is larger than the sum of its proper divisors (202383767).
2222101321 is a wasteful number, since it uses less digits than its factorization.
2222101321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31223.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2222101321 is about 47139.1697105496. The cubic root of 2222101321 is about 1304.9322143463.
Adding to 2222101321 its reverse (1231012222), we get a palindrome (3453113543).
The spelling of 2222101321 in words is "two billion, two hundred twenty-two million, one hundred one thousand, three hundred twenty-one".
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