Base | Representation |
---|---|
bin | 101010000110… |
… | …1100111111101 |
3 | 1112112120102222 |
4 | 1110031213331 |
5 | 21122412101 |
6 | 2105055125 |
7 | 355433141 |
oct | 124154775 |
9 | 45476388 |
10 | 22075901 |
11 | 11508a51 |
12 | 74874a5 |
13 | 475c283 |
14 | 2d09221 |
15 | 1e1101b |
hex | 150d9fd |
22075901 has 2 divisors, whose sum is σ = 22075902. Its totient is φ = 22075900.
The previous prime is 22075861. The next prime is 22075903. The reversal of 22075901 is 10957022.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20016676 + 2059225 = 4474^2 + 1435^2 .
It is a cyclic number.
It is not a de Polignac number, because 22075901 - 222 = 17881597 is a prime.
Together with 22075903, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22075903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11037950 + 11037951.
It is an arithmetic number, because the mean of its divisors is an integer number (11037951).
Almost surely, 222075901 is an apocalyptic number.
It is an amenable number.
22075901 is a deficient number, since it is larger than the sum of its proper divisors (1).
22075901 is an equidigital number, since it uses as much as digits as its factorization.
22075901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 22075901 is about 4698.4998669788. The cubic root of 22075901 is about 280.5258019633.
The spelling of 22075901 in words is "twenty-two million, seventy-five thousand, nine hundred one".
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