Base | Representation |
---|---|
bin | 10100101011010110… |
… | …110010110100101101 |
3 | 2010022022102020202221 |
4 | 110223112302310231 |
5 | 330432232411414 |
6 | 14111034515341 |
7 | 1414122600451 |
oct | 245326626455 |
9 | 63268366687 |
10 | 22202232109 |
11 | 9463643662 |
12 | 4377595b51 |
13 | 212aa0b265 |
14 | 1108984661 |
15 | 89e279224 |
hex | 52b5b2d2d |
22202232109 has 2 divisors, whose sum is σ = 22202232110. Its totient is φ = 22202232108.
The previous prime is 22202232077. The next prime is 22202232149. The reversal of 22202232109 is 90123220222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17568707209 + 4633524900 = 132547^2 + 68070^2 .
It is a cyclic number.
It is not a de Polignac number, because 22202232109 - 25 = 22202232077 is a prime.
It is a super-2 number, since 2×222022321092 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22202232149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101116054 + 11101116055.
It is an arithmetic number, because the mean of its divisors is an integer number (11101116055).
Almost surely, 222202232109 is an apocalyptic number.
It is an amenable number.
22202232109 is a deficient number, since it is larger than the sum of its proper divisors (1).
22202232109 is an equidigital number, since it uses as much as digits as its factorization.
22202232109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 25.
The spelling of 22202232109 in words is "twenty-two billion, two hundred two million, two hundred thirty-two thousand, one hundred nine".
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