223223144 has 16 divisors (see below), whose sum is σ = 418802820. Its totient is φ = 111542400.

The previous prime is 223223129. The next prime is 223223167. The reversal of 223223144 is 441322322.

223223144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 173238244 + 49984900 = 13162^2 + 7070^2 .

It is a super-3 number, since 3×223223144³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6662 + ... + 22154.

Almost surely, 2^223223144 is an apocalyptic number.

It is an amenable number.

223223144 is a deficient number, since it is larger than the sum of its proper divisors (195579676).

223223144 is a wasteful number, since it uses less digits than its factorization.

223223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300 (or 17296 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 223223144 is about 14940.6540686812. The cubic root of 223223144 is about 606.6149001167.

Adding to 223223144 its reverse (441322322), we get a palindrome (664545466).

The spelling of 223223144 in words is "two hundred twenty-three million, two hundred twenty-three thousand, one hundred forty-four".