223630044 has 24 divisors (see below), whose sum is σ = 569240448. Its totient is φ = 67766640.

The previous prime is 223630009. The next prime is 223630073. The reversal of 223630044 is 440036322.

It is a happy number.

223630044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223629996 and 223630023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846952 + ... + 847215.

It is an arithmetic number, because the mean of its divisors is an integer number (23718352).

Almost surely, 2^223630044 is an apocalyptic number.

It is an amenable number.

223630044 is an abundant number, since it is smaller than the sum of its proper divisors (345610404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223630044 is a wasteful number, since it uses less digits than its factorization.

223630044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694185 (or 1694183 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 223630044 is about 14954.2650772280. The cubic root of 223630044 is about 606.9832636176.

Adding to 223630044 its reverse (440036322), we get a palindrome (663666366).

The spelling of 223630044 in words is "two hundred twenty-three million, six hundred thirty thousand, forty-four".