223189 has 4 divisors (see below), whose sum is σ = 224224. Its totient is φ = 222156.

The previous prime is 223151. The next prime is 223207. The reversal of 223189 is 981322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 981322 = 2 ⋅490661.

It is a cyclic number.

It is not a de Polignac number, because 223189 - 2⁷ = 223061 is a prime.

It is a super-3 number, since 3×223189³ = 33353361741300807, which contains 333 as substring.

It is a Duffinian number.

223189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223129) 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, 57 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2²²³¹⁸⁹ is an apocalyptic number.

It is an amenable number.

223189 is a deficient number, since it is larger than the sum of its proper divisors (1035).

223189 is an equidigital number, since it uses as much as digits as its factorization.

223189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its digits is 864, while the sum is 25.

The square root of 223189 is about 472.4288306190. The cubic root of 223189 is about 60.6583969460.

The spelling of 223189 in words is "two hundred twenty-three thousand, one hundred eighty-nine".