223444424444 has 24 divisors (see below), whose sum is σ = 397407138240. Its totient is φ = 109909740096.

The previous prime is 223444424377. The next prime is 223444424447. The reversal of 223444424444 is 444424444322.

223444424444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×223444424444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444424447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188827 + ... + 1363890.

It is an arithmetic number, because the mean of its divisors is an integer number (16558630760).

Almost surely, 2^223444424444 is an apocalyptic number.

It is an amenable number.

223444424444 is a deficient number, since it is larger than the sum of its proper divisors (173962713796).

223444424444 is a wasteful number, since it uses less digits than its factorization.

223444424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553077 (or 2553075 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 41.

Adding to 223444424444 its reverse (444424444322), we get a palindrome (667868868766).

The spelling of 223444424444 in words is "two hundred twenty-three billion, four hundred forty-four million, four hundred twenty-four thousand, four hundred forty-four".