Base | Representation |
---|---|
bin | 1000001100100111… |
… | …0111000101011101 |
3 | 12200100102220122111 |
4 | 2003021313011131 |
5 | 14001300301341 |
6 | 1002202114021 |
7 | 105346043665 |
oct | 20311670535 |
9 | 5610386574 |
10 | 2200400221 |
11 | a2a083288 |
12 | 514aab911 |
13 | 290b41886 |
14 | 16c3431a5 |
15 | cd29a681 |
hex | 8327715d |
2200400221 has 8 divisors (see below), whose sum is σ = 2238717600. Its totient is φ = 2162117040.
The previous prime is 2200400173. The next prime is 2200400231. The reversal of 2200400221 is 1220040022.
2200400221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2200400221 - 219 = 2199875933 is a prime.
It is a super-2 number, since 2×22004002212 = 9683522265153697682, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2200400231) 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, 144931 + ... + 159391.
It is an arithmetic number, because the mean of its divisors is an integer number (279839700).
Almost surely, 22200400221 is an apocalyptic number.
It is an amenable number.
2200400221 is a deficient number, since it is larger than the sum of its proper divisors (38317379).
2200400221 is a wasteful number, since it uses less digits than its factorization.
2200400221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17099.
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 2200400221 is about 46908.4237744139. The cubic root of 2200400221 is about 1300.6703093436.
Adding to 2200400221 its reverse (1220040022), we get a palindrome (3420440243).
The spelling of 2200400221 in words is "two billion, two hundred million, four hundred thousand, two hundred twenty-one".
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