Base | Representation |
---|---|
bin | 1000001111011001… |
… | …1111011110110110 |
3 | 12201011110022202110 |
4 | 2003312133132312 |
5 | 14012244200042 |
6 | 1003300551450 |
7 | 105550353126 |
oct | 20366373666 |
9 | 5634408673 |
10 | 2212100022 |
11 | a35744540 |
12 | 5189b2586 |
13 | 2933aa032 |
14 | 16db0ac86 |
15 | ce30c09c |
hex | 83d9f7b6 |
2212100022 has 16 divisors (see below), whose sum is σ = 4826400192. Its totient is φ = 670333320.
The previous prime is 2212100021. The next prime is 2212100029. The reversal of 2212100022 is 2200012122.
It is a junction number, because it is equal to n+sod(n) for n = 2212099980 and 2212100007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212100021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16758268 + ... + 16758399.
It is an arithmetic number, because the mean of its divisors is an integer number (301650012).
Almost surely, 22212100022 is an apocalyptic number.
2212100022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2212100022 is an abundant number, since it is smaller than the sum of its proper divisors (2614300170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212100022 is a wasteful number, since it uses less digits than its factorization.
2212100022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33516683.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2212100022 is about 47032.9673952218. The cubic root of 2212100022 is about 1302.9715106994.
Adding to 2212100022 its reverse (2200012122), we get a palindrome (4412112144).
The spelling of 2212100022 in words is "two billion, two hundred twelve million, one hundred thousand, twenty-two".
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