118225856 has 56 divisors (see below), whose sum is σ = 269930880. Its totient is φ = 50326272.

The previous prime is 118225829. The next prime is 118225859. The reversal of 118225856 is 658522811.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118225859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72215 + ... + 73833.

Almost surely, 2^118225856 is an apocalyptic number.

118225856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118225856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134965440).

118225856 is an abundant number, since it is smaller than the sum of its proper divisors (151705024).

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

118225856 is a wasteful number, since it uses less digits than its factorization.

118225856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1791 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 118225856 is about 10873.1713864907. The cubic root of 118225856 is about 490.7995498367.

The spelling of 118225856 in words is "one hundred eighteen million, two hundred twenty-five thousand, eight hundred fifty-six".