9901207922 has 8 divisors (see below), whose sum is σ = 14854919772. Its totient is φ = 4949568000.

The previous prime is 9901207919. The next prime is 9901207931. The reversal of 9901207922 is 2297021099.

It can be written as a sum of positive squares in 2 ways, for example, as 9803178121 + 98029801 = 99011^2 + 9901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9901207922.

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, 505979 + ... + 525182.

Almost surely, 2^9901207922 is an apocalyptic number.

9901207922 is a deficient number, since it is larger than the sum of its proper divisors (4953711850).

9901207922 is a wasteful number, since it uses less digits than its factorization.

9901207922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035964.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 9901207922 is about 99504.8135619579. The cubic root of 9901207922 is about 2147.3164949406.

The spelling of 9901207922 in words is "nine billion, nine hundred one million, two hundred seven thousand, nine hundred twenty-two".