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22103311223 = 73157615889
BaseRepresentation
bin10100100101011101…
…011100001101110111
32010001102021112211102
4110211131130031313
5330231421424343
614053142400315
71411512021410
oct244535341567
963042245742
1022103311223
119412819964
12434a43009b
1321133849a6
1410d9794807
158957393b8
hex52575c377

22103311223 has 4 divisors (see below), whose sum is σ = 25260927120. Its totient is φ = 18945695328.

The previous prime is 22103311201. The next prime is 22103311229. The reversal of 22103311223 is 32211330122.

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

It is not a de Polignac number, because 22103311223 - 28 = 22103310967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22103311195 and 22103311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103311229) 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, 1578807938 + ... + 1578807951.

It is an arithmetic number, because the mean of its divisors is an integer number (6315231780).

Almost surely, 222103311223 is an apocalyptic number.

22103311223 is a deficient number, since it is larger than the sum of its proper divisors (3157615897).

22103311223 is an equidigital number, since it uses as much as digits as its factorization.

22103311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157615896.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22103311223 its reverse (32211330122), we get a palindrome (54314641345).

The spelling of 22103311223 in words is "twenty-two billion, one hundred three million, three hundred eleven thousand, two hundred twenty-three".

Divisors: 1 7 3157615889 22103311223