223144 has 8 divisors (see below), whose sum is σ = 418410. Its totient is φ = 111568.

The previous prime is 223133. The next prime is 223151. The reversal of 223144 is 441322.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 108900 = 338^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×223144³ = 33333191410109952, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13939 + ... + 13954.

2²²³¹⁴⁴ is an apocalyptic number.

It is an amenable number.

223144 is a deficient number, since it is larger than the sum of its proper divisors (195266).

223144 is a wasteful number, since it uses less digits than its factorization.

223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27899 (or 27895 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 223144 is about 472.3812019969. The cubic root of 223144 is about 60.6543199659.

Adding to 223144 its reverse (441322), we get a palindrome (664466).

The spelling of 223144 in words is "two hundred twenty-three thousand, one hundred forty-four", and thus it is an iban number.