9221740628 has 12 divisors (see below), whose sum is σ = 16165264500. Its totient is φ = 4603093632.

The previous prime is 9221740613. The next prime is 9221740639. The reversal of 9221740628 is 8260471229.

It can be written as a sum of positive squares in 2 ways, for example, as 4300998724 + 4920741904 = 65582^2 + 70148^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1941503 + ... + 1946246.

It is an arithmetic number, because the mean of its divisors is an integer number (1347105375).

Almost surely, 2^9221740628 is an apocalyptic number.

It is an amenable number.

9221740628 is a deficient number, since it is larger than the sum of its proper divisors (6943523872).

9221740628 is a wasteful number, since it uses less digits than its factorization.

9221740628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888346 (or 3888344 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 9221740628 is about 96029.8944495931. The cubic root of 9221740628 is about 2097.0283462334.

The spelling of 9221740628 in words is "nine billion, two hundred twenty-one million, seven hundred forty thousand, six hundred twenty-eight".