1144223444 has 24 divisors (see below), whose sum is σ = 2464482048. Its totient is φ = 452659680.

The previous prime is 1144223441. The next prime is 1144223473. The reversal of 1144223444 is 4443224411.

It is a super-2 number, since 2×1144223444² = 2618494579598442272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144223441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571372 + ... + 1572099.

It is an arithmetic number, because the mean of its divisors is an integer number (102686752).

Almost surely, 2^1144223444 is an apocalyptic number.

1144223444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1144223444 is an abundant number, since it is smaller than the sum of its proper divisors (1320258604).

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

1144223444 is a wasteful number, since it uses less digits than its factorization.

1144223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143495 (or 3143493 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1144223444 is about 33826.3720194762. The cubic root of 1144223444 is about 1045.9323940234.

Adding to 1144223444 its reverse (4443224411), we get a palindrome (5587447855).

The spelling of 1144223444 in words is "one billion, one hundred forty-four million, two hundred twenty-three thousand, four hundred forty-four".