223434444 has 48 divisors (see below), whose sum is σ = 546981120. Its totient is φ = 70889280.

The previous prime is 223434439. The next prime is 223434457. The reversal of 223434444 is 444434322.

223434444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20187 + ... + 29229.

It is an arithmetic number, because the mean of its divisors is an integer number (11395440).

Almost surely, 2^223434444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223434444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273490560).

223434444 is an abundant number, since it is smaller than the sum of its proper divisors (323546676).

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

223434444 is a wasteful number, since it uses less digits than its factorization.

223434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150 (or 9148 counting only the distinct ones).

The product of its digits is 36864, while the sum is 30.

The square root of 223434444 is about 14947.7237063039. The cubic root of 223434444 is about 606.8062442333.

Adding to 223434444 its reverse (444434322), we get a palindrome (667868766).

The spelling of 223434444 in words is "two hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-four".