112221636 has 24 divisors (see below), whose sum is σ = 262043040. Its totient is φ = 37379712.

The previous prime is 112221611. The next prime is 112221667. The reversal of 112221636 is 636122211.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19900 + ... + 24908.

It is an arithmetic number, because the mean of its divisors is an integer number (10918460).

Almost surely, 2^112221636 is an apocalyptic number.

It is an amenable number.

112221636 is an abundant number, since it is smaller than the sum of its proper divisors (149821404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112221636 is a wasteful number, since it uses less digits than its factorization.

112221636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883 (or 6881 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 112221636 is about 10593.4713857168. The cubic root of 112221636 is about 482.3462042159.

Adding to 112221636 its reverse (636122211), we get a palindrome (748343847).

The spelling of 112221636 in words is "one hundred twelve million, two hundred twenty-one thousand, six hundred thirty-six".