221448882887 has 2 divisors, whose sum is σ = 221448882888. Its totient is φ = 221448882886.

The previous prime is 221448882791. The next prime is 221448882899. The reversal of 221448882887 is 788288844122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221448882887 - 2²² = 221444688583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221448884887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110724441443 + 110724441444.

It is an arithmetic number, because the mean of its divisors is an integer number (110724441444).

Almost surely, 2^221448882887 is an apocalyptic number.

221448882887 is a deficient number, since it is larger than the sum of its proper divisors (1).

221448882887 is an equidigital number, since it uses as much as digits as its factorization.

221448882887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29360128, while the sum is 62.

The spelling of 221448882887 in words is "two hundred twenty-one billion, four hundred forty-eight million, eight hundred eighty-two thousand, eight hundred eighty-seven".