223509044 has 12 divisors (see below), whose sum is σ = 426699168. Its totient is φ = 101595000.

The previous prime is 223509043. The next prime is 223509067. The reversal of 223509044 is 440905322.

223509044 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 = 223508998 and 223509016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223509043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539832 + ... + 2539919.

It is an arithmetic number, because the mean of its divisors is an integer number (35558264).

Almost surely, 2^223509044 is an apocalyptic number.

It is an amenable number.

223509044 is a deficient number, since it is larger than the sum of its proper divisors (203190124).

223509044 is a wasteful number, since it uses less digits than its factorization.

223509044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079766 (or 5079764 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 223509044 is about 14950.2188612742. The cubic root of 223509044 is about 606.8737699439.

The spelling of 223509044 in words is "two hundred twenty-three million, five hundred nine thousand, forty-four".