Base | Representation |
---|---|
bin | 10001110010011110110… |
… | …000011110100100101011 |
3 | 11022212022112122120202202 |
4 | 101302132300132210223 |
5 | 130012021130022311 |
6 | 2333324543450415 |
7 | 154214026300142 |
oct | 21623660364453 |
9 | 4285275576682 |
10 | 1222434220331 |
11 | 431482280955 |
12 | 178aba8b6a0b |
13 | 8b3763a01ac |
14 | 43247c1a759 |
15 | 21be94dbe3b |
hex | 11c9ec1e92b |
1222434220331 has 2 divisors, whose sum is σ = 1222434220332. Its totient is φ = 1222434220330.
The previous prime is 1222434220279. The next prime is 1222434220373. The reversal of 1222434220331 is 1330224342221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1222434220331 is a prime.
It is a super-2 number, since 2×12224342203312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1222434220294 and 1222434220303.
It is not a weakly prime, because it can be changed into another prime (1222434520331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611217110165 + 611217110166.
It is an arithmetic number, because the mean of its divisors is an integer number (611217110166).
Almost surely, 21222434220331 is an apocalyptic number.
1222434220331 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222434220331 is an equidigital number, since it uses as much as digits as its factorization.
1222434220331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 1222434220331 its reverse (1330224342221), we get a palindrome (2552658562552).
The spelling of 1222434220331 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-four million, two hundred twenty thousand, three hundred thirty-one".
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