Base | Representation |
---|---|
bin | 101010010111… |
… | …0111000001011 |
3 | 1112210111021122 |
4 | 1110232320023 |
5 | 21141241412 |
6 | 2112025455 |
7 | 356541221 |
oct | 124567013 |
9 | 45714248 |
10 | 22212107 |
11 | 115a1315 |
12 | 753228b |
13 | 47a9278 |
14 | 2d42b11 |
15 | 1e3b572 |
hex | 152ee0b |
22212107 has 2 divisors, whose sum is σ = 22212108. Its totient is φ = 22212106.
The previous prime is 22212101. The next prime is 22212109. The reversal of 22212107 is 70121222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 22212107 - 28 = 22211851 is a prime.
Together with 22212109, 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 (22212101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106053 + 11106054.
It is an arithmetic number, because the mean of its divisors is an integer number (11106054).
Almost surely, 222212107 is an apocalyptic number.
22212107 is a deficient number, since it is larger than the sum of its proper divisors (1).
22212107 is an equidigital number, since it uses as much as digits as its factorization.
22212107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 22212107 is about 4712.9722044587. The cubic root of 22212107 is about 281.1015577491.
Adding to 22212107 its reverse (70121222), we get a palindrome (92333329).
The spelling of 22212107 in words is "twenty-two million, two hundred twelve thousand, one hundred seven".
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