222011223197 has 2 divisors, whose sum is σ = 222011223198. Its totient is φ = 222011223196.

The previous prime is 222011223167. The next prime is 222011223221. The reversal of 222011223197 is 791322110222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220835144761 + 1176078436 = 469931^2 + 34294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011223197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011223157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005611598 + 111005611599.

It is an arithmetic number, because the mean of its divisors is an integer number (111005611599).

Almost surely, 2^222011223197 is an apocalyptic number.

It is an amenable number.

222011223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011223197 is an equidigital number, since it uses as much as digits as its factorization.

222011223197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 222011223197 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-three thousand, one hundred ninety-seven".