Base | Representation |
---|---|
bin | 1110100100010… |
… | …10000010100001 |
3 | 22111221102012021 |
4 | 13102022002201 |
5 | 222240401400 |
6 | 20043101441 |
7 | 3012453610 |
oct | 722120241 |
9 | 274842167 |
10 | 122200225 |
11 | 62a84924 |
12 | 34b11881 |
13 | 1c417534 |
14 | 1232d877 |
15 | aadc71a |
hex | 748a0a1 |
122200225 has 12 divisors (see below), whose sum is σ = 173175424. Its totient is φ = 83794320.
The previous prime is 122200217. The next prime is 122200237. The reversal of 122200225 is 522002221.
It is not a de Polignac number, because 122200225 - 23 = 122200217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122200199 and 122200208.
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, 348969 + ... + 349318.
Almost surely, 2122200225 is an apocalyptic number.
It is an amenable number.
122200225 is a deficient number, since it is larger than the sum of its proper divisors (50975199).
122200225 is an equidigital number, since it uses as much as digits as its factorization.
122200225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698304 (or 698299 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 122200225 is about 11054.4210612768. The cubic root of 122200225 is about 496.2387435135.
Adding to 122200225 its reverse (522002221), we get a palindrome (644202446).
The spelling of 122200225 in words is "one hundred twenty-two million, two hundred thousand, two hundred twenty-five".
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