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12222133 = 711179337
BaseRepresentation
bin101110100111…
…111010110101
3211222221121121
4232213322311
511112102013
61113543541
7205613020
oct56477265
924887547
1012222133
116998740
124114bb1
1326bc141
1418a21b7
15111658d
hexba7eb5

12222133 has 16 divisors (see below), whose sum is σ = 16136064. Its totient is φ = 8962560.

The previous prime is 12222127. The next prime is 12222151. The reversal of 12222133 is 33122221.

It is a cyclic number.

It is not a de Polignac number, because 12222133 - 25 = 12222101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222433) 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, 3360 + ... + 5977.

It is an arithmetic number, because the mean of its divisors is an integer number (1008504).

Almost surely, 212222133 is an apocalyptic number.

It is an amenable number.

12222133 is a deficient number, since it is larger than the sum of its proper divisors (3913931).

12222133 is a wasteful number, since it uses less digits than its factorization.

12222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372.

The product of its digits is 144, while the sum is 16.

The square root of 12222133 is about 3496.0167333696. The cubic root of 12222133 is about 230.3468804869.

Adding to 12222133 its reverse (33122221), we get a palindrome (45344354).

The spelling of 12222133 in words is "twelve million, two hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 7 11 17 77 119 187 1309 9337 65359 102707 158729 718949 1111103 1746019 12222133