9221945740 has 48 divisors (see below), whose sum is σ = 22399356672. Its totient is φ = 3123711936.

The previous prime is 9221945731. The next prime is 9221945743. The reversal of 9221945740 is 475491229.

9221945740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9221945743) 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 15 ways as a sum of consecutive naturals, for example, 385194 + ... + 408433.

It is an arithmetic number, because the mean of its divisors is an integer number (466653264).

Almost surely, 2^9221945740 is an apocalyptic number.

It is an amenable number.

9221945740 is an abundant number, since it is smaller than the sum of its proper divisors (13177410932).

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

9221945740 is a wasteful number, since it uses less digits than its factorization.

9221945740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793726 (or 793724 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 9221945740 is about 96030.9624027584. The cubic root of 9221945740 is about 2097.0438936413.

The spelling of 9221945740 in words is "nine billion, two hundred twenty-one million, nine hundred forty-five thousand, seven hundred forty".