1122223112 has 16 divisors (see below), whose sum is σ = 2110810860. Its totient is φ = 559340224.

The previous prime is 1122223099. The next prime is 1122223127. The reversal of 1122223112 is 2113222211.

It can be written as a sum of positive squares in 2 ways, for example, as 1110622276 + 11600836 = 33326^2 + 3406^2 .

It is an unprimeable number.

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, 218723 + ... + 223794.

Almost surely, 2^1122223112 is an apocalyptic number.

It is an amenable number.

1122223112 is a deficient number, since it is larger than the sum of its proper divisors (988587748).

1122223112 is a wasteful number, since it uses less digits than its factorization.

1122223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442840 (or 442836 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 1122223112 is about 33499.5986841634. The cubic root of 1122223112 is about 1039.1854791032.

Adding to 1122223112 its reverse (2113222211), we get a palindrome (3235445323).

Subtracting 1122223112 from its reverse (2113222211), we obtain a palindrome (990999099).

The spelling of 1122223112 in words is "one billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred twelve".