223044534 has 48 divisors (see below), whose sum is σ = 509960880. Its totient is φ = 70260480.

The previous prime is 223044533. The next prime is 223044581. The reversal of 223044534 is 435440322.

223044534 is digitally balanced in base 3, 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 = 223044498 and 223044507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223044533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259834 + ... + 260690.

It is an arithmetic number, because the mean of its divisors is an integer number (10624185).

Almost surely, 2^223044534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223044534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254980440).

223044534 is an abundant number, since it is smaller than the sum of its proper divisors (286916346).

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

223044534 is a wasteful number, since it uses less digits than its factorization.

223044534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 223044534 is about 14934.6755572393. The cubic root of 223044534 is about 606.4530644516.

Adding to 223044534 its reverse (435440322), we get a palindrome (658484856).

It can be divided in two parts, 2230 and 44534, that added together give a palindrome (46764).

The spelling of 223044534 in words is "two hundred twenty-three million, forty-four thousand, five hundred thirty-four".