222197 has 2 divisors, whose sum is σ = 222198. Its totient is φ = 222196.

The previous prime is 222193. The next prime is 222199. The reversal of 222197 is 791222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217156 + 5041 = 466^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 222197 - 2² = 222193 is a prime.

Together with 222199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222197.

It is not a weakly prime, because it can be changed into another prime (222193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111098 + 111099.

It is an arithmetic number, because the mean of its divisors is an integer number (111099).

2²²²¹⁹⁷ is an apocalyptic number.

It is an amenable number.

222197 is a deficient number, since it is larger than the sum of its proper divisors (1).

222197 is an equidigital number, since it uses as much as digits as its factorization.

222197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 222197 is about 471.3777678253. The cubic root of 222197 is about 60.5683947501.

It can be divided in two parts, 222 and 197, that multiplied together give a palindrome (43734).

The spelling of 222197 in words is "two hundred twenty-two thousand, one hundred ninety-seven".