11144223444 has 48 divisors (see below), whose sum is σ = 27414838080. Its totient is φ = 3513692160.

The previous prime is 11144223427. The next prime is 11144223479. The reversal of 11144223444 is 44432244111.

It is a happy number.

It is a super-2 number, since 2×11144223444² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

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, 108022 + ... + 184274.

It is an arithmetic number, because the mean of its divisors is an integer number (571142460).

Almost surely, 2^11144223444 is an apocalyptic number.

It is an amenable number.

11144223444 is an abundant number, since it is smaller than the sum of its proper divisors (16270614636).

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

11144223444 is a wasteful number, since it uses less digits than its factorization.

11144223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76920 (or 76918 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 11144223444 its reverse (44432244111), we get a palindrome (55576467555).

The spelling of 11144223444 in words is "eleven billion, one hundred forty-four million, two hundred twenty-three thousand, four hundred forty-four".