226109 has 4 divisors (see below), whose sum is σ = 243516. Its totient is φ = 208704.

The previous prime is 226103. The next prime is 226123. The reversal of 226109 is 901622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901622 = 2 ⋅450811.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 184900 = 203^2 + 430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226109 is a prime.

It is a super-2 number, since 2×226109² = 102250559762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8684 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (60879).

2²²⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

226109 is a deficient number, since it is larger than the sum of its proper divisors (17407).

226109 is a wasteful number, since it uses less digits than its factorization.

226109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17406.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 226109 is about 475.5092007522. The cubic root of 226109 is about 60.9217845514.

The spelling of 226109 in words is "two hundred twenty-six thousand, one hundred nine".