Base | Representation |
---|---|
bin | 1000010010000011… |
… | …1011000110111001 |
3 | 12201221101102220221 |
4 | 2010200323012321 |
5 | 14023121120400 |
6 | 1004335220041 |
7 | 106044041236 |
oct | 20440730671 |
9 | 5657342827 |
10 | 2223223225 |
11 | a40a51573 |
12 | 520677621 |
13 | 2957a2c02 |
14 | 1713a478d |
15 | d02a7c1a |
hex | 8483b1b9 |
2223223225 has 12 divisors (see below), whose sum is σ = 2757474304. Its totient is φ = 1778141520.
The previous prime is 2223223207. The next prime is 2223223267. The reversal of 2223223225 is 5223223222.
It is not a de Polignac number, because 2223223225 - 29 = 2223222713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2223223225.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126952 + ... + 143398.
Almost surely, 22223223225 is an apocalyptic number.
2223223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2223223225 is a deficient number, since it is larger than the sum of its proper divisors (534251079).
2223223225 is a wasteful number, since it uses less digits than its factorization.
2223223225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21864 (or 21859 counting only the distinct ones).
The product of its digits is 5760, while the sum is 25.
The square root of 2223223225 is about 47151.0681215177. The cubic root of 2223223225 is about 1305.1517906457.
Adding to 2223223225 its reverse (5223223222), we get a palindrome (7446446447).
The spelling of 2223223225 in words is "two billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-five".
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