1112222122 has 32 divisors (see below), whose sum is σ = 1846152000. Its totient is φ = 498345600.

The previous prime is 1112222107. The next prime is 1112222131. The reversal of 1112222122 is 2212222111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1112222096 and 1112222105.

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 15 ways as a sum of consecutive naturals, for example, 454422 + ... + 456862.

It is an arithmetic number, because the mean of its divisors is an integer number (57692250).

Almost surely, 2^1112222122 is an apocalyptic number.

1112222122 is a deficient number, since it is larger than the sum of its proper divisors (733929878).

1112222122 is a wasteful number, since it uses less digits than its factorization.

1112222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742.

The product of its digits is 64, while the sum is 16.

The square root of 1112222122 is about 33349.9943328331. The cubic root of 1112222122 is about 1036.0892705681.

Adding to 1112222122 its reverse (2212222111), we get a palindrome (3324444233).

The spelling of 1112222122 in words is "one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".