2222122100917 has 2 divisors, whose sum is σ = 2222122100918. Its totient is φ = 2222122100916.

The previous prime is 2222122100831. The next prime is 2222122100921. The reversal of 2222122100917 is 7190012212222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2185506895716 + 36615205201 = 1478346^2 + 191351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222122100917 - 2⁷ = 2222122100789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222122100977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111061050458 + 1111061050459.

It is an arithmetic number, because the mean of its divisors is an integer number (1111061050459).

Almost surely, 2^{2222122100917} is an apocalyptic number.

It is an amenable number.

2222122100917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222122100917 is an equidigital number, since it uses as much as digits as its factorization.

2222122100917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 2222122100917 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, nine hundred seventeen".