11223331444 has 48 divisors (see below), whose sum is σ = 21664246912. Its totient is φ = 5054700672.

The previous prime is 11223331433. The next prime is 11223331447. The reversal of 11223331444 is 44413332211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223331447) 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 15 ways as a sum of consecutive naturals, for example, 3448522 + ... + 3451774.

Almost surely, 2^11223331444 is an apocalyptic number.

It is an amenable number.

11223331444 is a deficient number, since it is larger than the sum of its proper divisors (10440915468).

11223331444 is a wasteful number, since it uses less digits than its factorization.

11223331444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4854 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 11223331444 its reverse (44413332211), we get a palindrome (55636663655).

The spelling of 11223331444 in words is "eleven billion, two hundred twenty-three million, three hundred thirty-one thousand, four hundred forty-four".