22252143605641 has 2 divisors, whose sum is σ = 22252143605642. Its totient is φ = 22252143605640.

The previous prime is 22252143605623. The next prime is 22252143605693. The reversal of 22252143605641 is 14650634125222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13963704134416 + 8288439471225 = 3736804^2 + 2878965^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252143605641 - 2⁹ = 22252143605129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22252143605441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126071802820 + 11126071802821.

It is an arithmetic number, because the mean of its divisors is an integer number (11126071802821).

Almost surely, 2^{22252143605641} is an apocalyptic number.

It is an amenable number.

22252143605641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22252143605641 is an equidigital number, since it uses as much as digits as its factorization.

22252143605641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 22252143605641 in words is "twenty-two trillion, two hundred fifty-two billion, one hundred forty-three million, six hundred five thousand, six hundred forty-one".