Base | Representation |
---|---|
bin | 10011000010100101… |
… | …00110110101101101 |
3 | 222101101212200021021 |
4 | 21201102212311231 |
5 | 131413340432341 |
6 | 4410201134141 |
7 | 511213166560 |
oct | 114122466555 |
9 | 28341780237 |
10 | 10222202221 |
11 | 4376191910 |
12 | 1b9348a351 |
13 | c6ba4938a |
14 | 6cd8844d7 |
15 | 3ec6509d1 |
hex | 2614a6d6d |
10222202221 has 32 divisors (see below), whose sum is σ = 13511439360. Its totient is φ = 7487251200.
The previous prime is 10222202201. The next prime is 10222202227. The reversal of 10222202221 is 12220222201.
10222202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10222202221 - 211 = 10222200173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10222202195 and 10222202204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10222202227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1119886 + ... + 1128976.
It is an arithmetic number, because the mean of its divisors is an integer number (422232480).
Almost surely, 210222202221 is an apocalyptic number.
10222202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10222202221 is a deficient number, since it is larger than the sum of its proper divisors (3289237139).
10222202221 is a wasteful number, since it uses less digits than its factorization.
10222202221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9985.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 10222202221 its reverse (12220222201), we get a palindrome (22442424422).
The spelling of 10222202221 in words is "ten billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".
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