1001223344 has 80 divisors (see below), whose sum is σ = 2163718656. Its totient is φ = 444998400.

The previous prime is 1001223331. The next prime is 1001223409. The reversal of 1001223344 is 4433221001.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2322809 + ... + 2323239.

Almost surely, 2^1001223344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001223344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081859328).

1001223344 is an abundant number, since it is smaller than the sum of its proper divisors (1162495312).

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

1001223344 is a wasteful number, since it uses less digits than its factorization.

1001223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1001223344 is about 31642.1134565945. The cubic root of 1001223344 is about 1000.4076151606.

Adding to 1001223344 its reverse (4433221001), we get a palindrome (5434444345).

The spelling of 1001223344 in words is "one billion, one million, two hundred twenty-three thousand, three hundred forty-four".