223109 has 6 divisors (see below), whose sum is σ = 230214. Its totient is φ = 216200.

The previous prime is 223103. The next prime is 223129. The reversal of 223109 is 901322.

It can be written as a sum of positive squares in only one way, i.e., 220900 + 2209 = 470^2 + 47^2 .

It is a de Polignac number, because none of the positive numbers 2^k-223109 is a prime.

It is a super-3 number, since 3×223109³ = 33317508998052087, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2159 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (38369).

2²²³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

223109 is a deficient number, since it is larger than the sum of its proper divisors (7105).

223109 is an equidigital number, since it uses as much as digits as its factorization.

223109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 223109 is about 472.3441541927. The cubic root of 223109 is about 60.6511486024.

The spelling of 223109 in words is "two hundred twenty-three thousand, one hundred nine".