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3022231221 = 32437809383
BaseRepresentation
bin1011010000100011…
…1001011010110101
321210121212020211200
42310020321122311
522142142344341
61215520523113
7134615353512
oct26410713265
97717766750
103022231221
111310a75059
12704180499
133921993c9
14209552309
1512a4d5db6
hexb42396b5

3022231221 has 12 divisors (see below), whose sum is σ = 4466967648. Its totient is φ = 1967964264.

The previous prime is 3022231213. The next prime is 3022231273. The reversal of 3022231221 is 1221322203.

3022231221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3022231221 - 23 = 3022231213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3022231194 and 3022231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3022231291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3904305 + ... + 3905078.

It is an arithmetic number, because the mean of its divisors is an integer number (372247304).

Almost surely, 23022231221 is an apocalyptic number.

It is an amenable number.

3022231221 is a deficient number, since it is larger than the sum of its proper divisors (1444736427).

3022231221 is a wasteful number, since it uses less digits than its factorization.

3022231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809432 (or 7809429 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3022231221 is about 54974.8235194985. The cubic root of 3022231221 is about 1445.8033584748.

Adding to 3022231221 its reverse (1221322203), we get a palindrome (4243553424).

The spelling of 3022231221 in words is "three billion, twenty-two million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 9 43 129 387 7809383 23428149 70284447 335803469 1007410407 3022231221