14221443457557 has 48 divisors (see below), whose sum is σ = 24416451616128. Its totient is φ = 7807425978240.

The previous prime is 14221443457553. The next prime is 14221443457583. The reversal of 14221443457557 is 75575434412241.

14221443457557 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 1 + 4 + 4 + 34 + 57 + 557 = 666.

It is not a de Polignac number, because 14221443457557 - 2² = 14221443457553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221443457553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42865098 + ... + 43195595.

It is an arithmetic number, because the mean of its divisors is an integer number (508676075336).

Almost surely, 2^{14221443457557} is an apocalyptic number.

It is an amenable number.

14221443457557 is a deficient number, since it is larger than the sum of its proper divisors (10195008158571).

14221443457557 is a wasteful number, since it uses less digits than its factorization.

14221443457557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86060810 (or 86060807 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 54.

Adding to 14221443457557 its reverse (75575434412241), we get a palindrome (89796877869798).

The spelling of 14221443457557 in words is "fourteen trillion, two hundred twenty-one billion, four hundred forty-three million, four hundred fifty-seven thousand, five hundred fifty-seven".