Base | Representation |
---|---|
bin | 100100011011001… |
… | …1110110010001110 |
3 | 10011011212022000211 |
4 | 1020312132302032 |
5 | 10000343211142 |
6 | 321140513034 |
7 | 42200611033 |
oct | 11066366216 |
9 | 3134768024 |
10 | 1222241422 |
11 | 577a18086 |
12 | 2a13ab77a |
13 | 1662b0b9c |
14 | b847d38a |
15 | 72480917 |
hex | 48d9ec8e |
1222241422 has 4 divisors (see below), whose sum is σ = 1833362136. Its totient is φ = 611120710.
The previous prime is 1222241407. The next prime is 1222241429. The reversal of 1222241422 is 2241422221.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 1222241393 and 1222241402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222241429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305560354 + ... + 305560357.
It is an arithmetic number, because the mean of its divisors is an integer number (458340534).
Almost surely, 21222241422 is an apocalyptic number.
1222241422 is a deficient number, since it is larger than the sum of its proper divisors (611120714).
1222241422 is an equidigital number, since it uses as much as digits as its factorization.
1222241422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611120713.
The product of its digits is 1024, while the sum is 22.
The square root of 1222241422 is about 34960.5695319742. The cubic root of 1222241422 is about 1069.1837085099.
Adding to 1222241422 its reverse (2241422221), we get a palindrome (3463663643).
The spelling of 1222241422 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, four hundred twenty-two".
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