1122116438 has 4 divisors (see below), whose sum is σ = 1683174660. Its totient is φ = 561058218.

The previous prime is 1122116431. The next prime is 1122116441. The reversal of 1122116438 is 8346112211.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1122116438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122116431) by changing a digit.

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 as a sum of consecutive naturals, namely, 280529108 + ... + 280529111.

It is an arithmetic number, because the mean of its divisors is an integer number (420793665).

Almost surely, 2^1122116438 is an apocalyptic number.

1122116438 is a deficient number, since it is larger than the sum of its proper divisors (561058222).

1122116438 is an equidigital number, since it uses as much as digits as its factorization.

1122116438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561058221.

The product of its digits is 2304, while the sum is 29.

The square root of 1122116438 is about 33498.0064779981. The cubic root of 1122116438 is about 1039.1525511340.

Adding to 1122116438 its reverse (8346112211), we get a palindrome (9468228649).

The spelling of 1122116438 in words is "one billion, one hundred twenty-two million, one hundred sixteen thousand, four hundred thirty-eight".