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22110112231 = 193946712101
BaseRepresentation
bin10100100101110111…
…011000100111100111
32010001220002002001121
4110211313120213213
5330240142042411
614053544234411
71411623565414
oct244567304747
963056062047
1022110112231
119416644629
12435076ba07
1321148c645c
1410da64510b
1589612e571
hex525dd89e7

22110112231 has 8 divisors (see below), whose sum is σ = 22228856784. Its totient is φ = 21991411200.

The previous prime is 22110112159. The next prime is 22110112247. The reversal of 22110112231 is 13221101122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22110112231 - 27 = 22110112103 is a prime.

It is a super-2 number, since 2×221101122312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110112931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821081 + ... + 1833181.

It is an arithmetic number, because the mean of its divisors is an integer number (2778607098).

Almost surely, 222110112231 is an apocalyptic number.

22110112231 is a deficient number, since it is larger than the sum of its proper divisors (118744553).

22110112231 is a wasteful number, since it uses less digits than its factorization.

22110112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21761.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22110112231 its reverse (13221101122), we get a palindrome (35331213353).

It can be divided in two parts, 221101 and 12231, that added together give a palindrome (233332).

The spelling of 22110112231 in words is "twenty-two billion, one hundred ten million, one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 193 9467 12101 1827131 2335493 114560167 22110112231