9222391712 has 24 divisors (see below), whose sum is σ = 18180616356. Its totient is φ = 4605092352.

The previous prime is 9222391697. The next prime is 9222391733. The reversal of 9222391712 is 2171932229.

It can be written as a sum of positive squares in 2 ways, for example, as 9031841296 + 190550416 = 95036^2 + 13804^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166133 + ... + 214580.

Almost surely, 2^9222391712 is an apocalyptic number.

It is an amenable number.

9222391712 is a deficient number, since it is larger than the sum of its proper divisors (8958224644).

9222391712 is a wasteful number, since it uses less digits than its factorization.

9222391712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381480 (or 381472 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 9222391712 is about 96033.2843966091. The cubic root of 9222391712 is about 2097.0776973457.

The spelling of 9222391712 in words is "nine billion, two hundred twenty-two million, three hundred ninety-one thousand, seven hundred twelve".