2220044344 has 16 divisors (see below), whose sum is σ = 4757238000. Its totient is φ = 951447552.

The previous prime is 2220044339. The next prime is 2220044371. The reversal of 2220044344 is 4434400222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19821769 + ... + 19821880.

It is an arithmetic number, because the mean of its divisors is an integer number (297327375).

Almost surely, 2^2220044344 is an apocalyptic number.

It is an amenable number.

2220044344 is an abundant number, since it is smaller than the sum of its proper divisors (2537193656).

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

2220044344 is a wasteful number, since it uses less digits than its factorization.

2220044344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39643662 (or 39643658 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2220044344 is about 47117.3465297018. The cubic root of 2220044344 is about 1304.5294357987.

Adding to 2220044344 its reverse (4434400222), we get a palindrome (6654444566).

The spelling of 2220044344 in words is "two billion, two hundred twenty million, forty-four thousand, three hundred forty-four".