350220197 has 2 divisors, whose sum is σ = 350220198. Its totient is φ = 350220196.

The previous prime is 350220191. The next prime is 350220239. The reversal of 350220197 is 791022053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236882881 + 113337316 = 15391^2 + 10646^2 .

It is a cyclic number.

It is not a de Polignac number, because 350220197 - 2¹⁰ = 350219173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350220191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175110098 + 175110099.

It is an arithmetic number, because the mean of its divisors is an integer number (175110099).

Almost surely, 2^350220197 is an apocalyptic number.

It is an amenable number.

350220197 is a deficient number, since it is larger than the sum of its proper divisors (1).

350220197 is an equidigital number, since it uses as much as digits as its factorization.

350220197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 350220197 is about 18714.1710209135. The cubic root of 350220197 is about 704.8776321326.

The spelling of 350220197 in words is "three hundred fifty million, two hundred twenty thousand, one hundred ninety-seven".