Base | Representation |
---|---|
bin | 10001110010010010001… |
… | …100011000001011001000 |
3 | 11022211202212000100021012 |
4 | 101302102030120023020 |
5 | 130011103144232334 |
6 | 2333252013503052 |
7 | 154205556513110 |
oct | 21622214301310 |
9 | 4284685010235 |
10 | 1222223430344 |
11 | 431384299254 |
12 | 178a601a1a88 |
13 | 8b3418088a7 |
14 | 43227c2a040 |
15 | 21bd5c509ce |
hex | 11c923182c8 |
1222223430344 has 32 divisors (see below), whose sum is σ = 2629241095680. Its totient is φ = 521771864064.
The previous prime is 1222223430319. The next prime is 1222223430347. The reversal of 1222223430344 is 4430343222221.
It is a super-2 number, since 2×12222234303442 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1222223430344.
It is not an unprimeable number, because it can be changed into a prime (1222223430347) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42447512 + ... + 42476295.
It is an arithmetic number, because the mean of its divisors is an integer number (82163784240).
Almost surely, 21222223430344 is an apocalyptic number.
1222223430344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1222223430344 is an abundant number, since it is smaller than the sum of its proper divisors (1407017665336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222223430344 is a wasteful number, since it uses less digits than its factorization.
1222223430344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84924077 (or 84924073 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 32.
Adding to 1222223430344 its reverse (4430343222221), we get a palindrome (5652566652565).
The spelling of 1222223430344 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-three million, four hundred thirty thousand, three hundred forty-four".
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