9922799807 has 2 divisors, whose sum is σ = 9922799808. Its totient is φ = 9922799806.

The previous prime is 9922799797. The next prime is 9922799813. The reversal of 9922799807 is 7089972299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9922799807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9922799807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9922799857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961399903 + 4961399904.

It is an arithmetic number, because the mean of its divisors is an integer number (4961399904).

Almost surely, 2^9922799807 is an apocalyptic number.

9922799807 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922799807 is an equidigital number, since it uses as much as digits as its factorization.

9922799807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 9922799807 is about 99613.2511616803. The cubic root of 9922799807 is about 2148.8762692300.

The spelling of 9922799807 in words is "nine billion, nine hundred twenty-two million, seven hundred ninety-nine thousand, eight hundred seven".