113518422 has 72 divisors (see below), whose sum is σ = 262872792. Its totient is φ = 36741600.

The previous prime is 113518411. The next prime is 113518429. The reversal of 113518422 is 224815311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113518429) 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 in 35 ways as a sum of consecutive naturals, for example, 537897 + ... + 538107.

It is an arithmetic number, because the mean of its divisors is an integer number (3651011).

Almost surely, 2^113518422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113518422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131436396).

113518422 is an abundant number, since it is smaller than the sum of its proper divisors (149354370).

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

113518422 is an frugal number, since it uses more digits than its factorization.

113518422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 257 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 113518422 is about 10654.5024285510. The cubic root of 113518422 is about 484.1970232401.

The spelling of 113518422 in words is "one hundred thirteen million, five hundred eighteen thousand, four hundred twenty-two".