Base | Representation |
---|---|
bin | 1100110111101011000… |
… | …1011110011001100110 |
3 | 210010201001112100200100 |
4 | 3031322301132121212 |
5 | 12110304344401042 |
6 | 245323503124530 |
7 | 21655066346046 |
oct | 3157261363146 |
9 | 703631470610 |
10 | 221103122022 |
11 | 85850a48112 |
12 | 36a26ba3746 |
13 | 17b083cb823 |
14 | a9b6ab9726 |
15 | 5b40e9124c |
hex | 337ac5e666 |
221103122022 has 48 divisors (see below), whose sum is σ = 484126100640. Its totient is φ = 72922128000.
The previous prime is 221103122021. The next prime is 221103122027. The reversal of 221103122022 is 220221301122.
It is a super-3 number, since 3×2211031220223 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 221103121986 and 221103122004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221103122021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2706754 + ... + 2787242.
It is an arithmetic number, because the mean of its divisors is an integer number (10085960430).
Almost surely, 2221103122022 is an apocalyptic number.
221103122022 is an abundant number, since it is smaller than the sum of its proper divisors (263022978618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221103122022 is a wasteful number, since it uses less digits than its factorization.
221103122022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82109 (or 82106 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 221103122022 its reverse (220221301122), we get a palindrome (441324423144).
The spelling of 221103122022 in words is "two hundred twenty-one billion, one hundred three million, one hundred twenty-two thousand, twenty-two".
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