2222646135641 has 2 divisors, whose sum is σ = 2222646135642. Its totient is φ = 2222646135640.

The previous prime is 2222646135629. The next prime is 2222646135679. The reversal of 2222646135641 is 1465316462222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1684014908416 + 538631227225 = 1297696^2 + 733915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222646135641 - 2³⁸ = 1947768228697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222646135592 and 2222646135601.

It is not a weakly prime, because it can be changed into another prime (2222646137641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111323067820 + 1111323067821.

It is an arithmetic number, because the mean of its divisors is an integer number (1111323067821).

Almost surely, 2^{2222646135641} is an apocalyptic number.

It is an amenable number.

2222646135641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222646135641 is an equidigital number, since it uses as much as digits as its factorization.

2222646135641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 44.

The spelling of 2222646135641 in words is "two trillion, two hundred twenty-two billion, six hundred forty-six million, one hundred thirty-five thousand, six hundred forty-one".