9443221794 has 24 divisors (see below), whose sum is σ = 20671248780. Its totient is φ = 3115289088.

The previous prime is 9443221783. The next prime is 9443221847. The reversal of 9443221794 is 4971223449.

It can be written as a sum of positive squares in 2 ways, for example, as 8716649769 + 726572025 = 93363^2 + 26955^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2702499 + ... + 2705990.

Almost surely, 2^9443221794 is an apocalyptic number.

9443221794 is an abundant number, since it is smaller than the sum of its proper divisors (11228026986).

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

9443221794 is a wasteful number, since it uses less digits than its factorization.

9443221794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408594 (or 5408591 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 9443221794 is about 97176.2408925145. The cubic root of 9443221794 is about 2113.6840167838.

The spelling of 9443221794 in words is "nine billion, four hundred forty-three million, two hundred twenty-one thousand, seven hundred ninety-four".