112721222 has 8 divisors (see below), whose sum is σ = 169711200. Its totient is φ = 56150824.

The previous prime is 112721153. The next prime is 112721249. The reversal of 112721222 is 222127211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 112721194 and 112721203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104222 + ... + 105297.

It is an arithmetic number, because the mean of its divisors is an integer number (21213900).

Almost surely, 2^112721222 is an apocalyptic number.

112721222 is a deficient number, since it is larger than the sum of its proper divisors (56989978).

112721222 is a wasteful number, since it uses less digits than its factorization.

112721222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209790.

The product of its digits is 224, while the sum is 20.

The square root of 112721222 is about 10617.0251012230. The cubic root of 112721222 is about 483.0609110356.

Adding to 112721222 its reverse (222127211), we get a palindrome (334848433).

The spelling of 112721222 in words is "one hundred twelve million, seven hundred twenty-one thousand, two hundred twenty-two".