220002002197 has 2 divisors, whose sum is σ = 220002002198. Its totient is φ = 220002002196.

The previous prime is 220002002177. The next prime is 220002002293. The reversal of 220002002197 is 791200200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148965893521 + 71036108676 = 385961^2 + 266526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220002002197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220002002137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001001098 + 110001001099.

It is an arithmetic number, because the mean of its divisors is an integer number (110001001099).

Almost surely, 2^220002002197 is an apocalyptic number.

It is an amenable number.

220002002197 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002002197 is an equidigital number, since it uses as much as digits as its factorization.

220002002197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 220002002197 in words is "two hundred twenty billion, two million, two thousand, one hundred ninety-seven".