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11221132 = 2213316961
BaseRepresentation
bin101010110011…
…100010001100
3210010002111111
4222303202030
510333034012
61040301404
7164243446
oct52634214
923102444
1011221132
11637466a
123911864
13242b630
1416c1496
15eb9ba7
hexab388c

11221132 has 24 divisors (see below), whose sum is σ = 21832832. Its totient is φ = 5011200.

The previous prime is 11221127. The next prime is 11221141. The reversal of 11221132 is 23112211.

It is a super-2 number, since 2×112211322 = 251827606722848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 5092.

Almost surely, 211221132 is an apocalyptic number.

It is an amenable number.

11221132 is a deficient number, since it is larger than the sum of its proper divisors (10611700).

11221132 is a wasteful number, since it uses less digits than its factorization.

11221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009 (or 7007 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 11221132 is about 3349.7958146729. The cubic root of 11221132 is about 223.8784150968.

Adding to 11221132 its reverse (23112211), we get a palindrome (34333343).

The spelling of 11221132 in words is "eleven million, two hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 6961 13922 27844 90493 180986 215791 361972 431582 863164 2805283 5610566 11221132