118216230 has 64 divisors (see below), whose sum is σ = 310722048. Its totient is φ = 28546560.

The previous prime is 118216223. The next prime is 118216261. The reversal of 118216230 is 32612811.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118216230.

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, 110679 + ... + 111741.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^118216230 is an apocalyptic number.

118216230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118216230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155361024).

118216230 is an abundant number, since it is smaller than the sum of its proper divisors (192505818).

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

118216230 is a wasteful number, since it uses less digits than its factorization.

With its successor (118216231) it forms an eRAP, since the sums of their prime factors are consecutive (1421 and 1422).

118216230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 118216230 is about 10872.7287283368. The cubic root of 118216230 is about 490.7862291050.

The spelling of 118216230 in words is "one hundred eighteen million, two hundred sixteen thousand, two hundred thirty".