Base | Representation |
---|---|
bin | 100110111111… |
… | …101000010101 |
3 | 201020100002100 |
4 | 212333220111 |
5 | 10104101401 |
6 | 1003032313 |
7 | 152613021 |
oct | 46775025 |
9 | 21210070 |
10 | 10222101 |
11 | 585201a |
12 | 350b699 |
13 | 216b9a6 |
14 | 1501381 |
15 | d6db86 |
hex | 9bfa15 |
10222101 has 12 divisors (see below), whose sum is σ = 15164812. Its totient is φ = 6630336.
The previous prime is 10222099. The next prime is 10222111. The reversal of 10222101 is 10122201.
It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 5267025 = 2226^2 + 2295^2 .
It is not a de Polignac number, because 10222101 - 21 = 10222099 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10222111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15016 + ... + 15681.
Almost surely, 210222101 is an apocalyptic number.
It is an amenable number.
10222101 is a deficient number, since it is larger than the sum of its proper divisors (4942711).
10222101 is a wasteful number, since it uses less digits than its factorization.
10222101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30740 (or 30737 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 10222101 is about 3197.2020580501. The cubic root of 10222101 is about 217.0268111591.
Adding to 10222101 its reverse (10122201), we get a palindrome (20344302).
It can be divided in two parts, 10 and 222101, that added together give a triangular number (222111 = T666).
The spelling of 10222101 in words is "ten million, two hundred twenty-two thousand, one hundred one".
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