222022201221917 has 2 divisors, whose sum is σ = 222022201221918. Its totient is φ = 222022201221916.

The previous prime is 222022201221883. The next prime is 222022201222051. The reversal of 222022201221917 is 719122102220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155764652486041 + 66257548735876 = 12480571^2 + 8139874^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022201221917 - 2⁶ = 222022201221853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222022201221617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011100610958 + 111011100610959.

It is an arithmetic number, because the mean of its divisors is an integer number (111011100610959).

Almost surely, 2^{222022201221917} is an apocalyptic number.

It is an amenable number.

222022201221917 is a deficient number, since it is larger than the sum of its proper divisors (1).

222022201221917 is an equidigital number, since it uses as much as digits as its factorization.

222022201221917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 222022201221917 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred one million, two hundred twenty-one thousand, nine hundred seventeen".