108722328 has 128 divisors (see below), whose sum is σ = 324172800. Its totient is φ = 29952000.

The previous prime is 108722303. The next prime is 108722333. The reversal of 108722328 is 823227801.

It is a Cunningham number, because it is equal to 10427²-1.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 270928 + ... + 271328.

It is an arithmetic number, because the mean of its divisors is an integer number (2532600).

Almost surely, 2^108722328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108722328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162086400).

108722328 is an abundant number, since it is smaller than the sum of its proper divisors (215450472).

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

108722328 is a wasteful number, since it uses less digits than its factorization.

108722328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 108722328 is about 10426.9999520476. Note that the first 4 decimals coincide. The cubic root of 108722328 is about 477.2796465078.

The spelling of 108722328 in words is "one hundred eight million, seven hundred twenty-two thousand, three hundred twenty-eight".