118224500 has 24 divisors (see below), whose sum is σ = 258203400. Its totient is φ = 47289600.

The previous prime is 118224499. The next prime is 118224521. The reversal of 118224500 is 5422811.

It can be written as a sum of positive squares in 4 ways, for example, as 7806436 + 110418064 = 2794^2 + 10508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117725 + ... + 118724.

It is an arithmetic number, because the mean of its divisors is an integer number (10758475).

Almost surely, 2^118224500 is an apocalyptic number.

118224500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118224500 is an abundant number, since it is smaller than the sum of its proper divisors (139978900).

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

118224500 is a wasteful number, since it uses less digits than its factorization.

118224500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236468 (or 236456 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 118224500 is about 10873.1090309994. The cubic root of 118224500 is about 490.7976734092.

The spelling of 118224500 in words is "one hundred eighteen million, two hundred twenty-four thousand, five hundred".