Base | Representation |
---|---|
bin | 10100100110100101… |
… | …111011001000100110 |
3 | 2010002202000220022102 |
4 | 110212211323020212 |
5 | 330301302442410 |
6 | 14055101532102 |
7 | 1412132360054 |
oct | 244645731046 |
9 | 63082026272 |
10 | 22122312230 |
11 | 9422517677 |
12 | 4354874032 |
13 | 21172a84a5 |
14 | 10dc0dd1d4 |
15 | 89723e2a5 |
hex | 52697b226 |
22122312230 has 16 divisors (see below), whose sum is σ = 39825882144. Its totient is φ = 8847653760.
The previous prime is 22122312221. The next prime is 22122312239. The reversal of 22122312230 is 3221322122.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (22122312221) and next prime (22122312239).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22122312239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84122 + ... + 226541.
It is an arithmetic number, because the mean of its divisors is an integer number (2489117634).
Almost surely, 222122312230 is an apocalyptic number.
22122312230 is a deficient number, since it is larger than the sum of its proper divisors (17703569914).
22122312230 is a wasteful number, since it uses less digits than its factorization.
22122312230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317791.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 22122312230 its reverse (3221322122), we get a palindrome (25343634352).
The spelling of 22122312230 in words is "twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, two hundred thirty".
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