112233221 has 4 divisors (see below), whose sum is σ = 112765344. Its totient is φ = 111701100.

The previous prime is 112233217. The next prime is 112233223. The reversal of 112233221 is 122332211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112233221 - 2² = 112233217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112233223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 265745 + ... + 266166.

It is an arithmetic number, because the mean of its divisors is an integer number (28191336).

Almost surely, 2^112233221 is an apocalyptic number.

It is an amenable number.

112233221 is a deficient number, since it is larger than the sum of its proper divisors (532123).

112233221 is an equidigital number, since it uses as much as digits as its factorization.

112233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532122.

The product of its digits is 144, while the sum is 17.

The square root of 112233221 is about 10594.0181706471. The cubic root of 112233221 is about 482.3628016942.

Adding to 112233221 its reverse (122332211), we get a palindrome (234565432).

It can be divided in two parts, 1122 and 33221, that added together give a palindrome (34343).

The spelling of 112233221 in words is "one hundred twelve million, two hundred thirty-three thousand, two hundred twenty-one".