11223223444 has 12 divisors (see below), whose sum is σ = 19642356468. Its totient is φ = 5611121600.

The previous prime is 11223223441. The next prime is 11223223463. The reversal of 11223223444 is 44432232211.

11223223444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8608128400 + 2615095044 = 92780^2 + 51138^2 .

It is a super-2 number, since 2×11223223444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223223441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68347 + ... + 164674.

It is an arithmetic number, because the mean of its divisors is an integer number (1636863039).

Almost surely, 2^11223223444 is an apocalyptic number.

It is an amenable number.

11223223444 is a deficient number, since it is larger than the sum of its proper divisors (8419133024).

11223223444 is a wasteful number, since it uses less digits than its factorization.

11223223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245066 (or 245064 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 11223223444 its reverse (44432232211), we get a palindrome (55655455655).

The spelling of 11223223444 in words is "eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred forty-four".