Base | Representation |
---|---|
bin | 11010011110101… |
… | …01000001001101 |
3 | 120110221222012000 |
4 | 31033111001031 |
5 | 423330401221 |
6 | 34012502513 |
7 | 5335002120 |
oct | 1517250115 |
9 | 513858160 |
10 | 222122061 |
11 | 104422657 |
12 | 6247aa39 |
13 | 37031595 |
14 | 217003b7 |
15 | 14778e26 |
hex | d3d504d |
222122061 has 16 divisors (see below), whose sum is σ = 376080000. Its totient is φ = 126926784.
The previous prime is 222122039. The next prime is 222122071. The reversal of 222122061 is 160221222.
222122061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 222122061 - 222 = 217927757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222122071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587436 + ... + 587813.
It is an arithmetic number, because the mean of its divisors is an integer number (23505000).
Almost surely, 2222122061 is an apocalyptic number.
222122061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
222122061 is a deficient number, since it is larger than the sum of its proper divisors (153957939).
222122061 is a wasteful number, since it uses less digits than its factorization.
222122061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1175265 (or 1175259 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 222122061 is about 14903.7599618351. The cubic root of 222122061 is about 605.6158480918.
Adding to 222122061 its reverse (160221222), we get a palindrome (382343283).
The spelling of 222122061 in words is "two hundred twenty-two million, one hundred twenty-two thousand, sixty-one".
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