14221666445 has 16 divisors (see below), whose sum is σ = 19723150080. Its totient is φ = 9642424704.

The previous prime is 14221666427. The next prime is 14221666519. The reversal of 14221666445 is 54466612241.

It is a cyclic number.

It is not a de Polignac number, because 14221666445 - 2¹² = 14221662349 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2279657 + ... + 2285886.

It is an arithmetic number, because the mean of its divisors is an integer number (1232696880).

Almost surely, 2^14221666445 is an apocalyptic number.

It is an amenable number.

14221666445 is a deficient number, since it is larger than the sum of its proper divisors (5501483635).

14221666445 is an equidigital number, since it uses as much as digits as its factorization.

14221666445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565644.

The product of its digits is 276480, while the sum is 41.

The spelling of 14221666445 in words is "fourteen billion, two hundred twenty-one million, six hundred sixty-six thousand, four hundred forty-five".