| Base | Representation |
|---|---|
| bin | 1000001111011100… |
| … | …0010011111110000 |
| 3 | 12201011201121111020 |
| 4 | 2003313002133300 |
| 5 | 14012313242230 |
| 6 | 1003304015440 |
| 7 | 105551521221 |
| oct | 20367023760 |
| 9 | 5634647436 |
| 10 | 2212243440 |
| 11 | a35832270 |
| 12 | 518a61580 |
| 13 | 29342a3b4 |
| 14 | 16db47248 |
| 15 | ce339810 |
| hex | 83dc27f0 |
2212243440 has 160 divisors (see below), whose sum is σ = 7499091456. Its totient is φ = 535034880.
The previous prime is 2212243433. The next prime is 2212243441. The reversal of 2212243440 is 443422122.
2212243440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 2212243440.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212243441) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1617637 + ... + 1619003.
Almost surely, 22212243440 is an apocalyptic number.
2212243440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2212243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749545728).
2212243440 is an abundant number, since it is smaller than the sum of its proper divisors (5286848016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212243440 is a wasteful number, since it uses less digits than its factorization.
2212243440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2007 (or 2001 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 2212243440 is about 47034.4920244707. The cubic root of 2212243440 is about 1302.9996687887. Note that the first 3 decimals are identical.
Adding to 2212243440 its reverse (443422122), we get a palindrome (2655665562).
The spelling of 2212243440 in words is "two billion, two hundred twelve million, two hundred forty-three thousand, four hundred forty".
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