4223531444 has 12 divisors (see below), whose sum is σ = 8063105568. Its totient is φ = 1919787000.

The previous prime is 4223531407. The next prime is 4223531447. The reversal of 4223531444 is 4441353224.

It is a self number, because there is not a number n which added to its sum of digits gives 4223531444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223531447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47994632 + ... + 47994719.

It is an arithmetic number, because the mean of its divisors is an integer number (671925464).

Almost surely, 2^4223531444 is an apocalyptic number.

4223531444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4223531444 is a deficient number, since it is larger than the sum of its proper divisors (3839574124).

4223531444 is a wasteful number, since it uses less digits than its factorization.

4223531444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95989366 (or 95989364 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 4223531444 is about 64988.7024335769. The cubic root of 4223531444 is about 1616.4362349762.

Adding to 4223531444 its reverse (4441353224), we get a palindrome (8664884668).

The spelling of 4223531444 in words is "four billion, two hundred twenty-three million, five hundred thirty-one thousand, four hundred forty-four".