448870922221 has 2 divisors, whose sum is σ = 448870922222. Its totient is φ = 448870922220.

The previous prime is 448870922189. The next prime is 448870922231. The reversal of 448870922221 is 122229078844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446305499721 + 2565422500 = 668061^2 + 50650^2 .

It is a cyclic number.

It is not a de Polignac number, because 448870922221 - 2⁵ = 448870922189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448870922231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224435461110 + 224435461111.

It is an arithmetic number, because the mean of its divisors is an integer number (224435461111).

Almost surely, 2^448870922221 is an apocalyptic number.

It is an amenable number.

448870922221 is a deficient number, since it is larger than the sum of its proper divisors (1).

448870922221 is an equidigital number, since it uses as much as digits as its factorization.

448870922221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 448870922221 in words is "four hundred forty-eight billion, eight hundred seventy million, nine hundred twenty-two thousand, two hundred twenty-one".