221414272316657 has 4 divisors (see below), whose sum is σ = 253044882647616. Its totient is φ = 189783661985700.

The previous prime is 221414272316639. The next prime is 221414272316819. The reversal of 221414272316657 is 756613272414122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221414272316657 - 2¹⁰ = 221414272315633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221414272316599 and 221414272316608.

It is not an unprimeable number, because it can be changed into a prime (221414272315657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15815305165469 + ... + 15815305165482.

It is an arithmetic number, because the mean of its divisors is an integer number (63261220661904).

Almost surely, 2^{221414272316657} is an apocalyptic number.

It is an amenable number.

221414272316657 is a deficient number, since it is larger than the sum of its proper divisors (31630610330959).

221414272316657 is an equidigital number, since it uses as much as digits as its factorization.

221414272316657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31630610330958.

The product of its digits is 6773760, while the sum is 53.

The spelling of 221414272316657 in words is "two hundred twenty-one trillion, four hundred fourteen billion, two hundred seventy-two million, three hundred sixteen thousand, six hundred fifty-seven".