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1112222223 = 32719192431
BaseRepresentation
bin100001001001011…
…0010101000001111
32212111211202001200
41002102302220033
54234212102343
6302210440543
736363506250
oct10222625017
92774752050
101112222223
11520903022
12270593153
1314956cb78
14a7a00b27
156799c4d3
hex424b2a0f

1112222223 has 24 divisors (see below), whose sum is σ = 1845682176. Its totient is φ = 632221200.

The previous prime is 1112222213. The next prime is 1112222227. The reversal of 1112222223 is 3222222111.

It is not a de Polignac number, because 1112222223 - 24 = 1112222207 is a prime.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1112222196 and 1112222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34183 + ... + 58248.

It is an arithmetic number, because the mean of its divisors is an integer number (76903424).

Almost surely, 21112222223 is an apocalyptic number.

1112222223 is a deficient number, since it is larger than the sum of its proper divisors (733459953).

1112222223 is a wasteful number, since it uses less digits than its factorization.

1112222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92635 (or 92632 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 1112222223 is about 33349.9958470762. The cubic root of 1112222223 is about 1036.0893019302.

Adding to 1112222223 its reverse (3222222111), we get a palindrome (4334444334).

The spelling of 1112222223 in words is "one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 3 7 9 21 63 191 573 1337 1719 4011 12033 92431 277293 647017 831879 1941051 5823153 17654321 52962963 123580247 158888889 370740741 1112222223