Base | Representation |
---|---|
bin | 1110100011110… |
… | …01001100010110 |
3 | 22111210220112121 |
4 | 13101321030112 |
5 | 222231144342 |
6 | 20041410154 |
7 | 3012045463 |
oct | 721711426 |
9 | 274726477 |
10 | 122131222 |
11 | 62a37aa4 |
12 | 34a9995a |
13 | 1c3c1cc5 |
14 | 1231266a |
15 | aac7067 |
hex | 7479316 |
122131222 has 8 divisors (see below), whose sum is σ = 183329496. Its totient is φ = 61021392.
The previous prime is 122131199. The next prime is 122131237. The reversal of 122131222 is 222131221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 122131196 and 122131205.
It is a congruent number.
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, 18543 + ... + 24250.
It is an arithmetic number, because the mean of its divisors is an integer number (22916187).
Almost surely, 2122131222 is an apocalyptic number.
122131222 is a deficient number, since it is larger than the sum of its proper divisors (61198274).
122131222 is a wasteful number, since it uses less digits than its factorization.
122131222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44222.
The product of its digits is 96, while the sum is 16.
The square root of 122131222 is about 11051.2995615900. The cubic root of 122131222 is about 496.1453219474.
Adding to 122131222 its reverse (222131221), we get a palindrome (344262443).
Subtracting 122131222 from its reverse (222131221), we obtain a palindrome (99999999).
The spelling of 122131222 in words is "one hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-two".
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