Base | Representation |
---|---|
bin | 1000011110001111011110 |
3 | 11011211200002 |
4 | 20132033132 |
5 | 1032033042 |
6 | 115334302 |
7 | 24610166 |
oct | 10361736 |
9 | 4154602 |
10 | 2221022 |
11 | 1287761 |
12 | 8b1392 |
13 | 5c9c1b |
14 | 41b5a6 |
15 | 2dd132 |
hex | 21e3de |
2221022 has 8 divisors (see below), whose sum is σ = 3378672. Its totient is φ = 1094800.
The previous prime is 2221019. The next prime is 2221031. The reversal of 2221022 is 2201222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2220994 and 2221012.
It is a congruent number.
It is an unprimeable number.
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 in 3 ways as a sum of consecutive naturals, for example, 7679 + ... + 7962.
It is an arithmetic number, because the mean of its divisors is an integer number (422334).
22221022 is an apocalyptic number.
2221022 is a deficient number, since it is larger than the sum of its proper divisors (1157650).
2221022 is a wasteful number, since it uses less digits than its factorization.
2221022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15714.
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 2221022 is about 1490.3093638570. The cubic root of 2221022 is about 130.4720902524.
Adding to 2221022 its reverse (2201222), we get a palindrome (4422244).
The spelling of 2221022 in words is "two million, two hundred twenty-one thousand, twenty-two".
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