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2222200205 = 53741292973
BaseRepresentation
bin1000010001110100…
…0001010110001101
312201212110110121022
42010131001112031
514022340401310
61004301243525
7106032250541
oct20435012615
95655413538
102222200205
11a404129a5
125202635a5
13295505384
141711b9a21
15d0154a55
hex8474158d

2222200205 has 16 divisors (see below), whose sum is σ = 2805519024. Its totient is φ = 1687518720.

The previous prime is 2222200163. The next prime is 2222200207. The reversal of 2222200205 is 5020022222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1623076 + 2220577129 = 1274^2 + 47123^2 .

It is not a de Polignac number, because 2222200205 - 222 = 2218005901 is a prime.

It is a super-2 number, since 2×22222002052 = 9876347502204084050, 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 (2222200207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138902 + ... + 154071.

It is an arithmetic number, because the mean of its divisors is an integer number (175344939).

Almost surely, 22222200205 is an apocalyptic number.

It is an amenable number.

2222200205 is a deficient number, since it is larger than the sum of its proper divisors (583318819).

2222200205 is a wasteful number, since it uses less digits than its factorization.

2222200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293056.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2222200205 is about 47140.2185506177. The cubic root of 2222200205 is about 1304.9515706498.

Adding to 2222200205 its reverse (5020022222), we get a palindrome (7242222427).

The spelling of 2222200205 in words is "two billion, two hundred twenty-two million, two hundred thousand, two hundred five".

Divisors: 1 5 37 41 185 205 1517 7585 292973 1464865 10840001 12011893 54200005 60059465 444440041 2222200205