Base | Representation |
---|---|
bin | 1000010001110011… |
… | …0000100000100001 |
3 | 12201212022221222210 |
4 | 2010130300200201 |
5 | 14022331144413 |
6 | 1004255552333 |
7 | 106031542500 |
oct | 20434604041 |
9 | 5655287883 |
10 | 2222131233 |
11 | a403760a3 |
12 | 52022b6a9 |
13 | 2954acb6a |
14 | 17119c837 |
15 | d013e3c3 |
hex | 84730821 |
2222131233 has 24 divisors (see below), whose sum is σ = 3495130560. Its totient is φ = 1251899040.
The previous prime is 2222131213. The next prime is 2222131271. The reversal of 2222131233 is 3321312222.
It is a happy number.
It is not a de Polignac number, because 2222131233 - 25 = 2222131201 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (2222131213) 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, 96018 + ... + 116891.
It is an arithmetic number, because the mean of its divisors is an integer number (145630440).
Almost surely, 22222131233 is an apocalyptic number.
It is an amenable number.
2222131233 is a deficient number, since it is larger than the sum of its proper divisors (1272999327).
2222131233 is a wasteful number, since it uses less digits than its factorization.
2222131233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212997 (or 212990 counting only the distinct ones).
The product of its digits is 864, while the sum is 21.
The square root of 2222131233 is about 47139.4869827833. The cubic root of 2222131233 is about 1304.9380696084.
Adding to 2222131233 its reverse (3321312222), we get a palindrome (5543443455).
It can be divided in two parts, 222213 and 1233, that added together give a triangular number (223446 = T668).
The spelling of 2222131233 in words is "two billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty-three".
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