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2212201123 = 11477875437
BaseRepresentation
bin1000001111011011…
…1000001010100011
312201011122110102221
42003312320022203
514012310413443
61003303051511
7105551253646
oct20366701243
95634573387
102212201123
11a358034a0
12518a40b97
13293414062
1416db35a5d
15ce32beed
hex83db82a3

2212201123 has 16 divisors (see below), whose sum is σ = 2468242944. Its totient is φ = 1965440160.

The previous prime is 2212201037. The next prime is 2212201127. The reversal of 2212201123 is 3211022122.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212201123 is a prime.

It is a super-2 number, since 2×22122011232 = 9787667617204922258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212201097 and 2212201106.

It is not an unprimeable number, because it can be changed into a prime (2212201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404161 + ... + 409597.

It is an arithmetic number, because the mean of its divisors is an integer number (154265184).

Almost surely, 22212201123 is an apocalyptic number.

2212201123 is a deficient number, since it is larger than the sum of its proper divisors (256041821).

2212201123 is a wasteful number, since it uses less digits than its factorization.

2212201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2212201123 is about 47034.0421716016. The cubic root of 2212201123 is about 1302.9913605728.

Adding to 2212201123 its reverse (3211022122), we get a palindrome (5423223245).

The spelling of 2212201123 in words is "two billion, two hundred twelve million, two hundred one thousand, one hundred twenty-three".

Divisors: 1 11 47 517 787 5437 8657 36989 59807 255539 406879 2810929 4278919 47068109 201109193 2212201123