2444227993 has 8 divisors (see below), whose sum is σ = 2453935176. Its totient is φ = 2434540800.

The previous prime is 2444227979. The next prime is 2444228011. The reversal of 2444227993 is 3997224442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 443186704 + 2001041289 = 21052^2 + 44733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2444227993 - 2²¹ = 2442130841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444227943) 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 7 ways as a sum of consecutive naturals, for example, 268903 + ... + 277843.

It is an arithmetic number, because the mean of its divisors is an integer number (306741897).

Almost surely, 2^2444227993 is an apocalyptic number.

It is an amenable number.

2444227993 is a deficient number, since it is larger than the sum of its proper divisors (9707183).

2444227993 is an equidigital number, since it uses as much as digits as its factorization.

2444227993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995.

The product of its digits is 870912, while the sum is 46.

The square root of 2444227993 is about 49439.1342258337. The cubic root of 2444227993 is about 1347.0402451441.

The spelling of 2444227993 in words is "two billion, four hundred forty-four million, two hundred twenty-seven thousand, nine hundred ninety-three".