Base | Representation |
---|---|
bin | 111011101010100… |
… | …011010000101110 |
3 | 2120202120120212200 |
4 | 323222203100232 |
5 | 4022224311342 |
6 | 243155042330 |
7 | 33543306102 |
oct | 7352432056 |
9 | 2522516780 |
10 | 1001010222 |
11 | 474053883 |
12 | 23b2a03a6 |
13 | 12c501c54 |
14 | 96d31902 |
15 | 5cd3094c |
hex | 3baa342e |
1001010222 has 12 divisors (see below), whose sum is σ = 2168855520. Its totient is φ = 333670068.
The previous prime is 1001010187. The next prime is 1001010223. The reversal of 1001010222 is 2220101001.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001010223) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27805822 + ... + 27805857.
It is an arithmetic number, because the mean of its divisors is an integer number (180737960).
Almost surely, 21001010222 is an apocalyptic number.
1001010222 is an abundant number, since it is smaller than the sum of its proper divisors (1167845298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001010222 is a wasteful number, since it uses less digits than its factorization.
1001010222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55611687 (or 55611684 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1001010222 is about 31638.7455819601. The cubic root of 1001010222 is about 1000.3366273360.
Adding to 1001010222 its reverse (2220101001), we get a palindrome (3221111223).
The spelling of 1001010222 in words is "one billion, one million, ten thousand, two hundred twenty-two".
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