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22112130223 = 64134496303
BaseRepresentation
bin10100100101111111…
…000101010010101111
32010002000212121020001
4110211333011102233
5330241201131343
614054055405131
71411650001651
oct244577052257
963060777201
1022112130223
1194177a2797
1243513837a7
132115151b31
1410daa0c6d1
158963cc44d
hex525fc54af

22112130223 has 4 divisors (see below), whose sum is σ = 22146627168. Its totient is φ = 22077633280.

The previous prime is 22112130133. The next prime is 22112130233. The reversal of 22112130223 is 32203121122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203121122 = 216101560561.

It is a cyclic number.

It is not a de Polignac number, because 22112130223 - 213 = 22112122031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112130223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112130233) 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, 17247511 + ... + 17248792.

It is an arithmetic number, because the mean of its divisors is an integer number (5536656792).

Almost surely, 222112130223 is an apocalyptic number.

22112130223 is a deficient number, since it is larger than the sum of its proper divisors (34496945).

22112130223 is an equidigital number, since it uses as much as digits as its factorization.

22112130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34496944.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22112130223 its reverse (32203121122), we get a palindrome (54315251345).

The spelling of 22112130223 in words is "twenty-two billion, one hundred twelve million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 641 34496303 22112130223