Base | Representation |
---|---|
bin | 1010000111000000101010… |
… | …11111100100101001101110 |
3 | 2220201021101101000221222122 |
4 | 11003200111133210221232 |
5 | 10403213303444302342 |
6 | 115140455340512542 |
7 | 4453100443243205 |
oct | 503402537445156 |
9 | 86637341027878 |
10 | 22231111322222 |
11 | 70a1185860970 |
12 | 25b065624b752 |
13 | c5350054567a |
14 | 56bdc4a8223c |
15 | 2884377824d2 |
hex | 1438157e4a6e |
22231111322222 has 32 divisors (see below), whose sum is σ = 36398976445440. Its totient is φ = 10099275540480.
The previous prime is 22231111322221. The next prime is 22231111322261. The reversal of 22231111322222 is 22222311113222.
It is a super-3 number, since 3×222311113222223 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 22231111322191 and 22231111322200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22231111322221) 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, 507804398 + ... + 507848174.
It is an arithmetic number, because the mean of its divisors is an integer number (1137468013920).
Almost surely, 222231111322222 is an apocalyptic number.
22231111322222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
22231111322222 is a deficient number, since it is larger than the sum of its proper divisors (14167865123218).
22231111322222 is a wasteful number, since it uses less digits than its factorization.
22231111322222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56456.
The product of its digits is 2304, while the sum is 26.
Adding to 22231111322222 its reverse (22222311113222), we get a palindrome (44453422435444).
The spelling of 22231111322222 in words is "twenty-two trillion, two hundred thirty-one billion, one hundred eleven million, three hundred twenty-two thousand, two hundred twenty-two".
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