7444224478 has 8 divisors (see below), whose sum is σ = 11209786272. Its totient is φ = 3707629056.

The previous prime is 7444224467. The next prime is 7444224479. The reversal of 7444224478 is 8744224447.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444224479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7240950 + ... + 7241977.

It is an arithmetic number, because the mean of its divisors is an integer number (1401223284).

Almost surely, 2^7444224478 is an apocalyptic number.

7444224478 is a deficient number, since it is larger than the sum of its proper divisors (3765561794).

7444224478 is a wasteful number, since it uses less digits than its factorization.

7444224478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14483186.

The product of its digits is 1605632, while the sum is 46.

The square root of 7444224478 is about 86279.9193207782. The cubic root of 7444224478 is about 1952.5694358390.

The spelling of 7444224478 in words is "seven billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred seventy-eight".