Base | Representation |
---|---|
bin | 100100011010111… |
… | …1110111111101110 |
3 | 10011011121200102022 |
4 | 1020311332333232 |
5 | 10000330024324 |
6 | 321134030142 |
7 | 42166526312 |
oct | 11065767756 |
9 | 3134550368 |
10 | 1222111214 |
11 | 577939275 |
12 | 2a1348352 |
13 | 16626683c |
14 | b8447b42 |
15 | 7245705e |
hex | 48d7efee |
1222111214 has 16 divisors (see below), whose sum is σ = 1923095520. Its totient is φ = 581673120.
The previous prime is 1222111207. The next prime is 1222111273. The reversal of 1222111214 is 4121112221.
It is a junction number, because it is equal to n+sod(n) for n = 1222111192 and 1222111201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144269 + ... + 152504.
It is an arithmetic number, because the mean of its divisors is an integer number (120193470).
Almost surely, 21222111214 is an apocalyptic number.
1222111214 is a deficient number, since it is larger than the sum of its proper divisors (700984306).
1222111214 is a wasteful number, since it uses less digits than its factorization.
1222111214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296875.
The product of its digits is 64, while the sum is 17.
The square root of 1222111214 is about 34958.7072701494. The cubic root of 1222111214 is about 1069.1457396837.
Adding to 1222111214 its reverse (4121112221), we get a palindrome (5343223435).
The spelling of 1222111214 in words is "one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred fourteen".
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