Base | Representation |
---|---|
bin | 101010100101… |
… | …1101101110000 |
3 | 1120000111022100 |
4 | 1111023231300 |
5 | 21204031344 |
6 | 2114340400 |
7 | 360542460 |
oct | 125135560 |
9 | 46014270 |
10 | 22330224 |
11 | 11672034 |
12 | 758a700 |
13 | 481ac67 |
14 | 2d73ba0 |
15 | 1e61569 |
hex | 154bb70 |
22330224 has 60 divisors (see below), whose sum is σ = 71424496. Its totient is φ = 6379776.
The previous prime is 22330223. The next prime is 22330247. The reversal of 22330224 is 42203322.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 22330197 and 22330206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22330223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10069 + ... + 12084.
Almost surely, 222330224 is an apocalyptic number.
22330224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
22330224 is an abundant number, since it is smaller than the sum of its proper divisors (49094272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22330224 is a wasteful number, since it uses less digits than its factorization.
22330224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22174 (or 22165 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 22330224 is about 4725.4866416063. The cubic root of 22330224 is about 281.5989470303.
Adding to 22330224 its reverse (42203322), we get a palindrome (64533546).
The spelling of 22330224 in words is "twenty-two million, three hundred thirty thousand, two hundred twenty-four".
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