Base | Representation |
---|---|
bin | 1000010100001001… |
… | …1111010011001101 |
3 | 12202112221110212200 |
4 | 2011002133103031 |
5 | 14032344202341 |
6 | 1005251552113 |
7 | 106211606262 |
oct | 20502372315 |
9 | 5675843780 |
10 | 2232022221 |
11 | a45a11370 |
12 | 5235bb639 |
13 | 297563c10 |
14 | 172615269 |
15 | d0e44db6 |
hex | 8509f4cd |
2232022221 has 48 divisors (see below), whose sum is σ = 3815622720. Its totient is φ = 1239471360.
The previous prime is 2232022193. The next prime is 2232022237. The reversal of 2232022221 is 1222202322.
It is not a de Polignac number, because 2232022221 - 29 = 2232021709 is a prime.
It is a super-3 number, since 3×22320222213 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2232022194 and 2232022203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2232022271) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169990 + ... + 182648.
It is an arithmetic number, because the mean of its divisors is an integer number (79492140).
Almost surely, 22232022221 is an apocalyptic number.
It is an amenable number.
2232022221 is a deficient number, since it is larger than the sum of its proper divisors (1583600499).
2232022221 is a wasteful number, since it uses less digits than its factorization.
2232022221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12826 (or 12823 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2232022221 is about 47244.2824159707. The cubic root of 2232022221 is about 1306.8713523045.
Adding to 2232022221 its reverse (1222202322), we get a palindrome (3454224543).
The spelling of 2232022221 in words is "two billion, two hundred thirty-two million, twenty-two thousand, two hundred twenty-one".
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