109968219 has 16 divisors (see below), whose sum is σ = 171491200. Its totient is φ = 69453288.

The previous prime is 109968217. The next prime is 109968227. The reversal of 109968219 is 912869901.

It is not a de Polignac number, because 109968219 - 2¹ = 109968217 is a prime.

It is a super-2 number, since 2×109968219² = 24186018380063922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109968211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106669 + ... + 107694.

It is an arithmetic number, because the mean of its divisors is an integer number (10718200).

Almost surely, 2^109968219 is an apocalyptic number.

109968219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109968219 is a deficient number, since it is larger than the sum of its proper divisors (61522981).

109968219 is a wasteful number, since it uses less digits than its factorization.

109968219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214391 (or 214385 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 109968219 is about 10486.5732725233. The cubic root of 109968219 is about 479.0958369845.

The spelling of 109968219 in words is "one hundred nine million, nine hundred sixty-eight thousand, two hundred nineteen".