Base | Representation |
---|---|
bin | 10100101100100110… |
… | …110111000110001011 |
3 | 2010100202220121022010 |
4 | 110230212313012023 |
5 | 331003121034011 |
6 | 14113104431003 |
7 | 1414466156106 |
oct | 245446670613 |
9 | 63322817263 |
10 | 22223221131 |
11 | 9474479a61 |
12 | 4382618463 |
13 | 21321798b7 |
14 | 110b68973d |
15 | 8a10231a6 |
hex | 52c9b718b |
22223221131 has 16 divisors (see below), whose sum is σ = 30612420608. Its totient is φ = 14325552000.
The previous prime is 22223221121. The next prime is 22223221133. The reversal of 22223221131 is 13112232222.
It is not a de Polignac number, because 22223221131 - 25 = 22223221099 is a prime.
It is a super-2 number, since 2×222232211312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22223221098 and 22223221107.
It is not an unprimeable number, because it can be changed into a prime (22223221133) 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, 12210 + ... + 211176.
It is an arithmetic number, because the mean of its divisors is an integer number (1913276288).
Almost surely, 222223221131 is an apocalyptic number.
22223221131 is a deficient number, since it is larger than the sum of its proper divisors (8389199477).
22223221131 is a wasteful number, since it uses less digits than its factorization.
22223221131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200202.
The product of its digits is 576, while the sum is 21.
Adding to 22223221131 its reverse (13112232222), we get a palindrome (35335453353).
The spelling of 22223221131 in words is "twenty-two billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred thirty-one".
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