108221232 has 80 divisors (see below), whose sum is σ = 321979392. Its totient is φ = 30681600.

The previous prime is 108221221. The next prime is 108221237. The reversal of 108221232 is 232122801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 108221199 and 108221208.

It is not an unprimeable number, because it can be changed into a prime (108221237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44857 + ... + 47207.

Almost surely, 2^108221232 is an apocalyptic number.

108221232 is a gapful number since it is divisible by the number (12) 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 108221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160989696).

108221232 is an abundant number, since it is smaller than the sum of its proper divisors (213758160).

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

108221232 is a wasteful number, since it uses less digits than its factorization.

108221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 108221232 is about 10402.9434296261. The cubic root of 108221232 is about 476.5452640983.

The spelling of 108221232 in words is "one hundred eight million, two hundred twenty-one thousand, two hundred thirty-two".