109912219 has 8 divisors (see below), whose sum is σ = 111621888. Its totient is φ = 108215400.

The previous prime is 109912217. The next prime is 109912247. The reversal of 109912219 is 912219901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109912219 - 2¹ = 109912217 is a prime.

It is a super-2 number, since 2×109912219² = 24161391771007922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109912217) 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, 14794 + ... + 20944.

It is an arithmetic number, because the mean of its divisors is an integer number (13952736).

Almost surely, 2^109912219 is an apocalyptic number.

109912219 is a deficient number, since it is larger than the sum of its proper divisors (1709669).

109912219 is a wasteful number, since it uses less digits than its factorization.

109912219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 109912219 is about 10483.9028515148. The cubic root of 109912219 is about 479.0144985682.

The spelling of 109912219 in words is "one hundred nine million, nine hundred twelve thousand, two hundred nineteen".