122219197 has 2 divisors, whose sum is σ = 122219198. Its totient is φ = 122219196.

The previous prime is 122219159. The next prime is 122219257. The reversal of 122219197 is 791912221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71723961 + 50495236 = 8469^2 + 7106^2 .

It is a cyclic number.

It is not a de Polignac number, because 122219197 - 2¹¹ = 122217149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122219107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61109598 + 61109599.

It is an arithmetic number, because the mean of its divisors is an integer number (61109599).

Almost surely, 2^122219197 is an apocalyptic number.

It is an amenable number.

122219197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122219197 is an equidigital number, since it uses as much as digits as its factorization.

122219197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 34.

The square root of 122219197 is about 11055.2791461817. The cubic root of 122219197 is about 496.2644231015.

The spelling of 122219197 in words is "one hundred twenty-two million, two hundred nineteen thousand, one hundred ninety-seven".