Base | Representation |
---|---|
bin | 11010010000001… |
… | …11101000011110 |
3 | 120100101221210222 |
4 | 31020013220132 |
5 | 422334412342 |
6 | 33504201342 |
7 | 5312641310 |
oct | 1510075036 |
9 | 510357728 |
10 | 220232222 |
11 | 103351801 |
12 | 61909252 |
13 | 3681c332 |
14 | 2136b7b0 |
15 | 14503ed2 |
hex | d207a1e |
220232222 has 48 divisors (see below), whose sum is σ = 399434112. Its totient is φ = 89197680.
The previous prime is 220232219. The next prime is 220232227. The reversal of 220232222 is 222232022.
It is a self number, because there is not a number n which added to its sum of digits gives 220232222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220232227) 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 23 ways as a sum of consecutive naturals, for example, 970073 + ... + 970299.
It is an arithmetic number, because the mean of its divisors is an integer number (8321544).
Almost surely, 2220232222 is an apocalyptic number.
220232222 is a deficient number, since it is larger than the sum of its proper divisors (179201890).
220232222 is a wasteful number, since it uses less digits than its factorization.
220232222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413 (or 390 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 17.
The square root of 220232222 is about 14840.2231115304. The cubic root of 220232222 is about 603.8934050886.
Adding to 220232222 its reverse (222232022), we get a palindrome (442464244).
The spelling of 220232222 in words is "two hundred twenty million, two hundred thirty-two thousand, two hundred twenty-two".
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