109223744 has 84 divisors (see below), whose sum is σ = 261038340. Its totient is φ = 45158400.

The previous prime is 109223731. The next prime is 109223749. The reversal of 109223744 is 447322901.

It can be written as a sum of positive squares in 2 ways, for example, as 18593344 + 90630400 = 4312^2 + 9520^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 109223744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109223749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90344 + ... + 91544.

Almost surely, 2^109223744 is an apocalyptic number.

109223744 is a gapful number since it is divisible by the number (14) 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 109223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130519170).

109223744 is an abundant number, since it is smaller than the sum of its proper divisors (151814596).

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

109223744 is a wasteful number, since it uses less digits than its factorization.

109223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 109223744 is about 10451.0164099000. The cubic root of 109223744 is about 478.0122427027.

The spelling of 109223744 in words is "one hundred nine million, two hundred twenty-three thousand, seven hundred forty-four".