223469 has 2 divisors, whose sum is σ = 223470.
Its totient is φ = 223468.
The previous prime is 223463. The next prime is 223481. The reversal of 223469 is 964322.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 170569 + 52900 = 413^2 + 230^2
It is a cyclic number.
It is not a de Polignac number, because 223469 - 216 = 157933 is a prime.
It is a super-2 number, since 2×2234692 = 99876787922, which contains 22 as substring.
It is a Chen prime.
It is a plaindrome in base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111734 + 111735.
It is an arithmetic number, because the mean of its divisors is an integer number (111735).
2223469 is an apocalyptic number.
It is an amenable number.
223469 is a deficient number, since it is larger than the sum of its proper divisors (1).
223469 is an equidigital number, since it uses as much as digits as its factorization.
223469 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2592, while the sum is 26.
The square root of 223469 is about 472.7250786662.
The cubic root of 223469 is about 60.6837525169.
The spelling of 223469 in words is "two hundred twenty-three thousand, four hundred sixty-nine".