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2222111012 = 2211671794211
BaseRepresentation
bin1000010001110010…
…1011100100100100
312201212021221020212
42010130223210210
514022330023022
61004255314552
7106031426522
oct20434534444
95655257225
102222111012
11a40361990
1252021ba58
132954a38b4
14171195312
15d01383e2
hex8472b924

2222111012 has 48 divisors (see below), whose sum is σ = 4330609920. Its totient is φ = 989181600.

The previous prime is 2222111011. The next prime is 2222111033. The reversal of 2222111012 is 2101112222.

It is not an unprimeable number, because it can be changed into a prime (2222111011) 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 15 ways as a sum of consecutive naturals, for example, 525587 + ... + 529797.

It is an arithmetic number, because the mean of its divisors is an integer number (90221040).

Almost surely, 22222111012 is an apocalyptic number.

2222111012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2222111012 is a deficient number, since it is larger than the sum of its proper divisors (2108498908).

2222111012 is a wasteful number, since it uses less digits than its factorization.

2222111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4470 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2222111012 is about 47139.2725018111. The cubic root of 2222111012 is about 1304.9341113615.

Adding to 2222111012 its reverse (2101112222), we get a palindrome (4323223234).

It can be divided in two parts, 22221 and 11012, that added together give a palindrome (33233).

The spelling of 2222111012 in words is "two billion, two hundred twenty-two million, one hundred eleven thousand, twelve".

Divisors: 1 2 4 11 22 44 67 134 179 268 358 716 737 1474 1969 2948 3938 4211 7876 8422 11993 16844 23986 46321 47972 92642 131923 185284 263846 282137 527692 564274 753769 1128548 1507538 3015076 3103507 6207014 8291459 12414028 16582918 33165836 50502523 101005046 202010092 555527753 1111055506 2222111012