789448221 has 8 divisors (see below), whose sum is σ = 1169552960. Its totient is φ = 526298796.

The previous prime is 789448217. The next prime is 789448229. The reversal of 789448221 is 122844987.

It is not a de Polignac number, because 789448221 - 2² = 789448217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789448229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14619385 + ... + 14619438.

It is an arithmetic number, because the mean of its divisors is an integer number (146194120).

Almost surely, 2^789448221 is an apocalyptic number.

It is an amenable number.

789448221 is a deficient number, since it is larger than the sum of its proper divisors (380104739).

789448221 is a wasteful number, since it uses less digits than its factorization.

789448221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29238832 (or 29238826 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 789448221 is about 28097.1212226449. The cubic root of 789448221 is about 924.2182715079.

The spelling of 789448221 in words is "seven hundred eighty-nine million, four hundred forty-eight thousand, two hundred twenty-one".