2222666159393 has 2 divisors, whose sum is σ = 2222666159394. Its totient is φ = 2222666159392.

The previous prime is 2222666159359. The next prime is 2222666159419. The reversal of 2222666159393 is 3939516662222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257385454224 + 965280705169 = 1121332^2 + 982487^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222666159393 - 2²⁰ = 2222665110817 is a prime.

It is a super-2 number, since 2×2222666159393² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2222666159293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111333079696 + 1111333079697.

It is an arithmetic number, because the mean of its divisors is an integer number (1111333079697).

Almost surely, 2^{2222666159393} is an apocalyptic number.

It is an amenable number.

2222666159393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222666159393 is an equidigital number, since it uses as much as digits as its factorization.

2222666159393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 56.

The spelling of 2222666159393 in words is "two trillion, two hundred twenty-two billion, six hundred sixty-six million, one hundred fifty-nine thousand, three hundred ninety-three".