112215556 has 18 divisors (see below), whose sum is σ = 197667470. Its totient is φ = 55741440.

The previous prime is 112215547. The next prime is 112215559. The reversal of 112215556 is 655512211.

It can be written as a sum of positive squares in only one way, i.e., 91202500 + 21013056 = 9550^2 + 4584^2 .

It is not an unprimeable number, because it can be changed into a prime (112215559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145540 + ... + 146308.

Almost surely, 2^112215556 is an apocalyptic number.

It is an amenable number.

112215556 is a deficient number, since it is larger than the sum of its proper divisors (85451914).

112215556 is an equidigital number, since it uses as much as digits as its factorization.

112215556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 962 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 112215556 is about 10593.1844126306. The cubic root of 112215556 is about 482.3374931272.

Adding to 112215556 its reverse (655512211), we get a palindrome (767727767).

It can be divided in two parts, 1122155 and 56, that added together give a palindrome (1122211).

The spelling of 112215556 in words is "one hundred twelve million, two hundred fifteen thousand, five hundred fifty-six".