842447322 has 12 divisors (see below), whose sum is σ = 1825302570. Its totient is φ = 280815768.

The previous prime is 842447321. The next prime is 842447449. The reversal of 842447322 is 223744248.

It can be written as a sum of positive squares in only one way, i.e., 680114241 + 162333081 = 26079^2 + 12741^2 .

It is not an unprimeable number, because it can be changed into a prime (842447321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23401297 + ... + 23401332.

Almost surely, 2^842447322 is an apocalyptic number.

842447322 is an abundant number, since it is smaller than the sum of its proper divisors (982855248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842447322 is a wasteful number, since it uses less digits than its factorization.

842447322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46802637 (or 46802634 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 842447322 is about 29024.9431007194. The cubic root of 842447322 is about 944.4542342894.

The spelling of 842447322 in words is "eight hundred forty-two million, four hundred forty-seven thousand, three hundred twenty-two".