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2222200231213 = 2410992173057
BaseRepresentation
bin100000010101100101011…
…101001001010100101101
321212102212221210010112011
4200111211131021110231
5242402031224344323
64420510435041221
7316356123210154
oct40254535112455
97772787703464
102222200231213
11787480109306
122ba816440211
13131725040b21
14797ab15459b
153cc1043320d
hex2056574952d

2222200231213 has 4 divisors (see below), whose sum is σ = 2222292428380. Its totient is φ = 2222108034048.

The previous prime is 2222200231189. The next prime is 2222200231219. The reversal of 2222200231213 is 3121320022222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 715780297444 + 1506419933769 = 846038^2 + 1227363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222200231213 - 237 = 2084761277741 is a prime.

It is a super-3 number, since 3×22222002312133 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222200231219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46062420 + ... + 46110637.

It is an arithmetic number, because the mean of its divisors is an integer number (555573107095).

Almost surely, 22222200231213 is an apocalyptic number.

It is an amenable number.

2222200231213 is a deficient number, since it is larger than the sum of its proper divisors (92197167).

2222200231213 is an equidigital number, since it uses as much as digits as its factorization.

2222200231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92197166.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2222200231213 its reverse (3121320022222), we get a palindrome (5343520253435).

The spelling of 2222200231213 in words is "two trillion, two hundred twenty-two billion, two hundred million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 24109 92173057 2222200231213