109722 has 8 divisors (see below), whose sum is σ = 219456. Its totient is φ = 36572.

The previous prime is 109721. The next prime is 109741. The reversal of 109722 is 227901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

109722 is an admirable number.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109722.

It is not an unprimeable number, because it can be changed into a prime (109721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9138 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (27432).

2¹⁰⁹⁷²² is an apocalyptic number.

109722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109722 is a wasteful number, since it uses less digits than its factorization.

109722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18292.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 109722 is about 331.2431131360. The cubic root of 109722 is about 47.8738004367.

The spelling of 109722 in words is "one hundred nine thousand, seven hundred twenty-two".