112122222 has 16 divisors (see below), whose sum is σ = 227592192. Its totient is φ = 36816120.

The previous prime is 112122193. The next prime is 112122239. The reversal of 112122222 is 222221211.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139054 + ... + 139857.

It is an arithmetic number, because the mean of its divisors is an integer number (14224512).

Almost surely, 2^112122222 is an apocalyptic number.

112122222 is an abundant number, since it is smaller than the sum of its proper divisors (115469970).

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

112122222 is a wasteful number, since it uses less digits than its factorization.

112122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278983.

The product of its digits is 64, while the sum is 15.

The square root of 112122222 is about 10588.7781164778. The cubic root of 112122222 is about 482.2037298114.

Adding to 112122222 its reverse (222221211), we get a palindrome (334343433).

The spelling of 112122222 in words is "one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".