1118836422 has 48 divisors (see below), whose sum is σ = 2732894640. Its totient is φ = 339039360.

The previous prime is 1118836399. The next prime is 1118836427. The reversal of 1118836422 is 2246388111.

1118836422 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 8 + 3 + 642 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118836427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79083 + ... + 92150.

It is an arithmetic number, because the mean of its divisors is an integer number (56935305).

Almost surely, 2^1118836422 is an apocalyptic number.

1118836422 is an abundant number, since it is smaller than the sum of its proper divisors (1614058218).

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

1118836422 is a wasteful number, since it uses less digits than its factorization.

1118836422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171266 (or 171249 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1118836422 is about 33449.0122724125. The cubic root of 1118836422 is about 1038.1390605233.

The spelling of 1118836422 in words is "one billion, one hundred eighteen million, eight hundred thirty-six thousand, four hundred twenty-two".