109227209 has 16 divisors (see below), whose sum is σ = 135340800. Its totient is φ = 85838400.

The previous prime is 109227197. The next prime is 109227259. The reversal of 109227209 is 902722901.

It is a cyclic number.

It is not a de Polignac number, because 109227209 - 2²⁴ = 92449993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109227259) 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, 9767 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (8458800).

Almost surely, 2^109227209 is an apocalyptic number.

It is an amenable number.

109227209 is a deficient number, since it is larger than the sum of its proper divisors (26113591).

109227209 is a wasteful number, since it uses less digits than its factorization.

109227209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 109227209 is about 10451.1821819352. The cubic root of 109227209 is about 478.0172974489.

The spelling of 109227209 in words is "one hundred nine million, two hundred twenty-seven thousand, two hundred nine".