Base | Representation |
---|---|
bin | 10001110010000101011… |
… | …111000000111101111110 |
3 | 11022211012222210201222201 |
4 | 101302011133000331332 |
5 | 130010134103242342 |
6 | 2333214515502114 |
7 | 154200360263662 |
oct | 21620537007576 |
9 | 4284188721881 |
10 | 1222010212222 |
11 | 4312849a8328 |
12 | 178a008b793a |
13 | 8b3095a4017 |
14 | 432077a68a2 |
15 | 21bc2184db7 |
hex | 11c857c0f7e |
1222010212222 has 4 divisors (see below), whose sum is σ = 1833015318336. Its totient is φ = 611005106110.
The previous prime is 1222010212219. The next prime is 1222010212303. The reversal of 1222010212222 is 2222120102221.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1222010212222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305502553054 + ... + 305502553057.
It is an arithmetic number, because the mean of its divisors is an integer number (458253829584).
Almost surely, 21222010212222 is an apocalyptic number.
1222010212222 is a deficient number, since it is larger than the sum of its proper divisors (611005106114).
1222010212222 is an equidigital number, since it uses as much as digits as its factorization.
1222010212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611005106113.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 1222010212222 its reverse (2222120102221), we get a palindrome (3444130314443).
The spelling of 1222010212222 in words is "one trillion, two hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred twenty-two".
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