109308218 has 16 divisors (see below), whose sum is σ = 167426784. Its totient is φ = 53507760.

The previous prime is 109308217. The next prime is 109308223. The reversal of 109308218 is 812803901.

It is not an unprimeable number, because it can be changed into a prime (109308211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25721 + ... + 29667.

It is an arithmetic number, because the mean of its divisors is an integer number (10464174).

Almost surely, 2^109308218 is an apocalyptic number.

109308218 is a deficient number, since it is larger than the sum of its proper divisors (58118566).

109308218 is a wasteful number, since it uses less digits than its factorization.

109308218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 109308218 is about 10455.0570538855. The cubic root of 109308218 is about 478.1354430231.

The spelling of 109308218 in words is "one hundred nine million, three hundred eight thousand, two hundred eighteen".