800922197 has 2 divisors, whose sum is σ = 800922198. Its totient is φ = 800922196.

The previous prime is 800922193. The next prime is 800922211. The reversal of 800922197 is 791229008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774286276 + 26635921 = 27826^2 + 5161^2 .

It is a cyclic number.

It is not a de Polignac number, because 800922197 - 2² = 800922193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 800922197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800922193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400461098 + 400461099.

It is an arithmetic number, because the mean of its divisors is an integer number (400461099).

Almost surely, 2^800922197 is an apocalyptic number.

It is an amenable number.

800922197 is a deficient number, since it is larger than the sum of its proper divisors (1).

800922197 is an equidigital number, since it uses as much as digits as its factorization.

800922197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 800922197 is about 28300.5688458730. The cubic root of 800922197 is about 928.6743346883.

The spelling of 800922197 in words is "eight hundred million, nine hundred twenty-two thousand, one hundred ninety-seven".