Base | Representation |
---|---|
bin | 10100100000100111… |
… | …101110001111010001 |
3 | 2002211202111121221221 |
4 | 110200213232033101 |
5 | 330100130323101 |
6 | 14041122245041 |
7 | 1406504635441 |
oct | 244047561721 |
9 | 62752447857 |
10 | 22022120401 |
11 | 9380a05006 |
12 | 43271b6781 |
13 | 20cc5c8598 |
14 | 10cca9c121 |
15 | 88d54caa1 |
hex | 5209ee3d1 |
22022120401 has 2 divisors, whose sum is σ = 22022120402. Its totient is φ = 22022120400.
The previous prime is 22022120383. The next prime is 22022120437. The reversal of 22022120401 is 10402122022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18967900176 + 3054220225 = 137724^2 + 55265^2 .
It is a cyclic number.
It is not a de Polignac number, because 22022120401 - 27 = 22022120273 is a prime.
It is a super-2 number, since 2×220221204012 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (22022120441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011060200 + 11011060201.
It is an arithmetic number, because the mean of its divisors is an integer number (11011060201).
Almost surely, 222022120401 is an apocalyptic number.
It is an amenable number.
22022120401 is a deficient number, since it is larger than the sum of its proper divisors (1).
22022120401 is an equidigital number, since it uses as much as digits as its factorization.
22022120401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 22022120401 its reverse (10402122022), we get a palindrome (32424242423).
The spelling of 22022120401 in words is "twenty-two billion, twenty-two million, one hundred twenty thousand, four hundred one".
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