118229436 has 96 divisors (see below), whose sum is σ = 333607680. Its totient is φ = 35992512.

The previous prime is 118229401. The next prime is 118229459. The reversal of 118229436 is 634922811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 118229436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149835 + ... + 150621.

It is an arithmetic number, because the mean of its divisors is an integer number (3475080).

Almost surely, 2^118229436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118229436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166803840).

118229436 is an abundant number, since it is smaller than the sum of its proper divisors (215378244).

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

118229436 is a wasteful number, since it uses less digits than its factorization.

118229436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 912 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 118229436 is about 10873.3360106271. The cubic root of 118229436 is about 490.8045037577.

The spelling of 118229436 in words is "one hundred eighteen million, two hundred twenty-nine thousand, four hundred thirty-six".