Base | Representation |
---|---|
bin | 1000010001110100… |
… | …1011110100110000 |
3 | 12201212112122110202 |
4 | 2010131023310300 |
5 | 14022343234440 |
6 | 1004302214332 |
7 | 106032516626 |
oct | 20435136460 |
9 | 5655478422 |
10 | 2222243120 |
11 | a40442169 |
12 | 5202843a8 |
13 | 29551ba76 |
14 | 1711cb516 |
15 | d0162615 |
hex | 8474bd30 |
2222243120 has 20 divisors (see below), whose sum is σ = 5166715440. Its totient is φ = 888897216.
The previous prime is 2222243119. The next prime is 2222243137. The reversal of 2222243120 is 213422222.
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2222243092 and 2222243101.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13888940 + ... + 13889099.
It is an arithmetic number, because the mean of its divisors is an integer number (258335772).
Almost surely, 22222243120 is an apocalyptic number.
2222243120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2222243120 is an abundant number, since it is smaller than the sum of its proper divisors (2944472320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222243120 is a wasteful number, since it uses less digits than its factorization.
2222243120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27778052 (or 27778046 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 2222243120 is about 47140.6737329877. The cubic root of 2222243120 is about 1304.9599709785.
Adding to 2222243120 its reverse (213422222), we get a palindrome (2435665342).
The spelling of 2222243120 in words is "two billion, two hundred twenty-two million, two hundred forty-three thousand, one hundred twenty".
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