Base | Representation |
---|---|
bin | 101010000101… |
… | …1001101010001 |
3 | 1112112001212022 |
4 | 1110023031101 |
5 | 21122103001 |
6 | 2104541225 |
7 | 355362236 |
oct | 124131521 |
9 | 45461768 |
10 | 22066001 |
11 | 11501571 |
12 | 7481815 |
13 | 4757909 |
14 | 2d0578d |
15 | 1e0d11b |
hex | 150b351 |
22066001 has 2 divisors, whose sum is σ = 22066002. Its totient is φ = 22066000.
The previous prime is 22065997. The next prime is 22066003. The reversal of 22066001 is 10066022.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16613776 + 5452225 = 4076^2 + 2335^2 .
It is a cyclic number.
It is not a de Polignac number, because 22066001 - 22 = 22065997 is a prime.
Together with 22066003, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (22066003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033000 + 11033001.
It is an arithmetic number, because the mean of its divisors is an integer number (11033001).
Almost surely, 222066001 is an apocalyptic number.
It is an amenable number.
22066001 is a deficient number, since it is larger than the sum of its proper divisors (1).
22066001 is an equidigital number, since it uses as much as digits as its factorization.
22066001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 22066001 is about 4697.4462210865. The cubic root of 22066001 is about 280.4838614978.
The spelling of 22066001 in words is "twenty-two million, sixty-six thousand, one".
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