223466 has 4 divisors (see below), whose sum is σ = 335202. Its totient is φ = 111732.

The previous prime is 223463. The next prime is 223469. The reversal of 223466 is 664322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664322 = 2 ⋅332161.

It is an interprime number because it is at equal distance from previous prime (223463) and next prime (223469).

It can be written as a sum of positive squares in only one way, i.e., 177241 + 46225 = 421^2 + 215^2 .

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55865 + ... + 55868.

2²²³⁴⁶⁶ is an apocalyptic number.

223466 is a deficient number, since it is larger than the sum of its proper divisors (111736).

223466 is a wasteful number, since it uses less digits than its factorization.

223466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111735.

The product of its digits is 1728, while the sum is 23.

The square root of 223466 is about 472.7219055639. The cubic root of 223466 is about 60.6834809624.

Adding to 223466 its reverse (664322), we get a palindrome (887788).

The spelling of 223466 in words is "two hundred twenty-three thousand, four hundred sixty-six".