109218884 has 12 divisors (see below), whose sum is σ = 191825004. Its totient is φ = 54411744.

The previous prime is 109218871. The next prime is 109218917. The reversal of 109218884 is 488812901.

It can be written as a sum of positive squares in 2 ways, for example, as 17825284 + 91393600 = 4222^2 + 9560^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48179 + ... + 50394.

It is an arithmetic number, because the mean of its divisors is an integer number (15985417).

Almost surely, 2^109218884 is an apocalyptic number.

It is an amenable number.

109218884 is a deficient number, since it is larger than the sum of its proper divisors (82606120).

109218884 is a wasteful number, since it uses less digits than its factorization.

109218884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98854 (or 98852 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 109218884 is about 10450.7838940435. The cubic root of 109218884 is about 478.0051527487.

The spelling of 109218884 in words is "one hundred nine million, two hundred eighteen thousand, eight hundred eighty-four".