109722340 has 144 divisors (see below), whose sum is σ = 301093632. Its totient is φ = 32700672.

The previous prime is 109722329. The next prime is 109722367. The reversal of 109722340 is 43227901.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 109722299 and 109722308.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 656937 + ... + 657103.

It is an arithmetic number, because the mean of its divisors is an integer number (2090928).

Almost surely, 2^109722340 is an apocalyptic number.

109722340 is a gapful number since it is divisible by the number (10) 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 109722340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150546816).

109722340 is an abundant number, since it is smaller than the sum of its proper divisors (191371292).

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

109722340 is a wasteful number, since it uses less digits than its factorization.

109722340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 109722340 is about 10474.8431969171. The cubic root of 109722340 is about 478.7384988613.

The spelling of 109722340 in words is "one hundred nine million, seven hundred twenty-two thousand, three hundred forty".