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22112010217 = 1189191118253
BaseRepresentation
bin10100100101111110…
…100111111111101001
32010002000122111121101
4110211332213333221
5330241133311332
614054053041401
71411645662043
oct244576477751
963060574541
1022112010217
119417720610
124351326261
13211510c31b
1410da9baa93
158963a6ae7
hex525fa7fe9

22112010217 has 16 divisors (see below), whose sum is σ = 24521149440. Its totient is φ = 19771734400.

The previous prime is 22112010149. The next prime is 22112010257. The reversal of 22112010217 is 71201021122.

It is not a de Polignac number, because 22112010217 - 211 = 22112008169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112010194 and 22112010203.

It is not an unprimeable number, because it can be changed into a prime (22112010257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127863 + ... + 246115.

It is an arithmetic number, because the mean of its divisors is an integer number (1532571840).

Almost surely, 222112010217 is an apocalyptic number.

It is an amenable number.

22112010217 is a deficient number, since it is larger than the sum of its proper divisors (2409139223).

22112010217 is a wasteful number, since it uses less digits than its factorization.

22112010217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118544.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 22112010217 its reverse (71201021122), we get a palindrome (93313031339).

The spelling of 22112010217 in words is "twenty-two billion, one hundred twelve million, ten thousand, two hundred seventeen".

Divisors: 1 11 89 191 979 2101 16999 118253 186989 1300783 10524517 22586323 115769687 248449553 2010182747 22112010217