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222223230013 = 279143796091
BaseRepresentation
bin1100111011110110001…
…0010110010000111101
3210020121010012201222111
43032331202112100331
512120103121330023
6250030555014021
722024620201031
oct3167542262075
9706533181874
10222223230013
11862762468a4
123709a13a311
1317c5649cb15
14aa817701c1
155ba949a00d
hex33bd89643d

222223230013 has 4 divisors (see below), whose sum is σ = 222224305248. Its totient is φ = 222222154780.

The previous prime is 222223230011. The next prime is 222223230017. The reversal of 222223230013 is 310032322222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222223230013 - 21 = 222223230011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222223230011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118903 + ... + 677188.

It is an arithmetic number, because the mean of its divisors is an integer number (55556076312).

Almost surely, 2222223230013 is an apocalyptic number.

It is an amenable number.

222223230013 is a deficient number, since it is larger than the sum of its proper divisors (1075235).

222223230013 is an equidigital number, since it uses as much as digits as its factorization.

222223230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075234.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 222223230013 its reverse (310032322222), we get a palindrome (532255552235).

The spelling of 222223230013 in words is "two hundred twenty-two billion, two hundred twenty-three million, two hundred thirty thousand, thirteen".

Divisors: 1 279143 796091 222223230013