Base | Representation |
---|---|
bin | 101010100101… |
… | …1101101110001 |
3 | 1120000111022101 |
4 | 1111023231301 |
5 | 21204031400 |
6 | 2114340401 |
7 | 360542461 |
oct | 125135561 |
9 | 46014271 |
10 | 22330225 |
11 | 11672035 |
12 | 758a701 |
13 | 481ac68 |
14 | 2d73ba1 |
15 | 1e6156a |
hex | 154bb71 |
22330225 has 24 divisors (see below), whose sum is σ = 29730240. Its totient is φ = 16585920.
The previous prime is 22330223. The next prime is 22330247. The reversal of 22330225 is 52203322.
It is not a de Polignac number, because 22330225 - 21 = 22330223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (22330223) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24732 + ... + 25618.
It is an arithmetic number, because the mean of its divisors is an integer number (1238760).
Almost surely, 222330225 is an apocalyptic number.
22330225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
22330225 is a deficient number, since it is larger than the sum of its proper divisors (7400015).
22330225 is a wasteful number, since it uses less digits than its factorization.
22330225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 969 (or 964 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 22330225 is about 4725.4867474156. The cubic root of 22330225 is about 281.5989512339.
Adding to 22330225 its reverse (52203322), we get a palindrome (74533547).
The spelling of 22330225 in words is "twenty-two million, three hundred thirty thousand, two hundred twenty-five".
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