1222010197 has 2 divisors, whose sum is σ = 1222010198. Its totient is φ = 1222010196.

The previous prime is 1222010161. The next prime is 1222010203. The reversal of 1222010197 is 7910102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1193771601 + 28238596 = 34551^2 + 5314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222010197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222010147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005098 + 611005099.

It is an arithmetic number, because the mean of its divisors is an integer number (611005099).

Almost surely, 2^1222010197 is an apocalyptic number.

It is an amenable number.

1222010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222010197 is an equidigital number, since it uses as much as digits as its factorization.

1222010197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1222010197 is about 34957.2624357229. The cubic root of 1222010197 is about 1069.1162811342.

The spelling of 1222010197 in words is "one billion, two hundred twenty-two million, ten thousand, one hundred ninety-seven".