| Base | Representation |
|---|---|
| bin | 100111011100001… |
| … | …1101010111110110 |
| 3 | 10102020020212100220 |
| 4 | 1032320131113312 |
| 5 | 10202244020342 |
| 6 | 335153315210 |
| 7 | 44536624512 |
| oct | 11670352766 |
| 9 | 3366225326 |
| 10 | 1323423222 |
| 11 | 61a046500 |
| 12 | 30b265b06 |
| 13 | 181249584 |
| 14 | c7a9b142 |
| 15 | 7b2ba5ec |
| hex | 4ee1d5f6 |
1323423222 has 48 divisors (see below), whose sum is σ = 2913657600. Its totient is φ = 400443120.
The previous prime is 1323423221. The next prime is 1323423251. The reversal of 1323423222 is 2223243231.
It is a super-2 number, since 2×13234232222 = 3502898049057722568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1323423192 and 1323423201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1323423221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 945279 + ... + 946677.
It is an arithmetic number, because the mean of its divisors is an integer number (60701200).
Almost surely, 21323423222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1323423222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456828800).
1323423222 is an abundant number, since it is smaller than the sum of its proper divisors (1590234378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1323423222 is a wasteful number, since it uses less digits than its factorization.
1323423222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2729 (or 2718 counting only the distinct ones).
The product of its digits is 3456, while the sum is 24.
The square root of 1323423222 is about 36378.8842874544. The cubic root of 1323423222 is about 1097.9087601399.
Adding to 1323423222 its reverse (2223243231), we get a palindrome (3546666453).
Subtracting 1323423222 from its reverse (2223243231), we obtain a square (899820009 = 299972).
The spelling of 1323423222 in words is "one billion, three hundred twenty-three million, four hundred twenty-three thousand, two hundred twenty-two".
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