1122243994 has 16 divisors (see below), whose sum is σ = 1700173800. Its totient is φ = 555541504.

The previous prime is 1122243979. The next prime is 1122244033. The reversal of 1122243994 is 4993422211.

It can be written as a sum of positive squares in 4 ways, for example, as 1010413369 + 111830625 = 31787^2 + 10575^2 .

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 7 ways as a sum of consecutive naturals, for example, 101322 + ... + 111850.

Almost surely, 2^1122243994 is an apocalyptic number.

1122243994 is a deficient number, since it is larger than the sum of its proper divisors (577929806).

1122243994 is a wasteful number, since it uses less digits than its factorization.

1122243994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057.

The product of its digits is 31104, while the sum is 37.

The square root of 1122243994 is about 33499.9103580890. The cubic root of 1122243994 is about 1039.1919246833.

The spelling of 1122243994 in words is "one billion, one hundred twenty-two million, two hundred forty-three thousand, nine hundred ninety-four".