Base | Representation |
---|---|
bin | 100000010011101001100… |
… | …110001000011101111110 |
3 | 21212020112010121211100211 |
4 | 200103221212020131332 |
5 | 242333302241242342 |
6 | 4415524323543034 |
7 | 316253461302565 |
oct | 40235146103576 |
9 | 7766463554324 |
10 | 2220122212222 |
11 | 786604123942 |
12 | 2ba33652aa7a |
13 | 13148367aca5 |
14 | 7965118abdc |
15 | 3cb3ccadc17 |
hex | 204e998877e |
2220122212222 has 16 divisors (see below), whose sum is σ = 3388091835744. Its totient is φ = 1090793916000.
The previous prime is 2220122212219. The next prime is 2220122212229. The reversal of 2220122212222 is 2222122210222.
It is a junction number, because it is equal to n+sod(n) for n = 2220122212193 and 2220122212202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220122212229) 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, 8787154 + ... + 9036277.
It is an arithmetic number, because the mean of its divisors is an integer number (211755739734).
Almost surely, 22220122212222 is an apocalyptic number.
2220122212222 is a deficient number, since it is larger than the sum of its proper divisors (1167969623522).
2220122212222 is a wasteful number, since it uses less digits than its factorization.
2220122212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17824515.
The product of its (nonzero) digits is 1024, while the sum is 22.
Adding to 2220122212222 its reverse (2222122210222), we get a palindrome (4442244422444).
The spelling of 2220122212222 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".
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