108231228 has 72 divisors (see below), whose sum is σ = 324268672. Its totient is φ = 30921264.

The previous prime is 108231217. The next prime is 108231229. The reversal of 108231228 is 822132801.

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 (108231229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150 + ... + 14757.

Almost surely, 2^108231228 is an apocalyptic number.

108231228 is a gapful number since it is divisible by the number (18) 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 108231228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162134336).

108231228 is an abundant number, since it is smaller than the sum of its proper divisors (216037444).

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

108231228 is a wasteful number, since it uses less digits than its factorization.

108231228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15933 (or 15919 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 108231228 is about 10403.4238594801. The cubic root of 108231228 is about 476.5599358952.

The spelling of 108231228 in words is "one hundred eight million, two hundred thirty-one thousand, two hundred twenty-eight".