22366340654393 has 2 divisors, whose sum is σ = 22366340654394. Its totient is φ = 22366340654392.

The previous prime is 22366340654381. The next prime is 22366340654407. The reversal of 22366340654393 is 39345604366322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14754110667664 + 7612229986729 = 3841108^2 + 2759027^2 .

It is a cyclic number.

It is not a de Polignac number, because 22366340654393 - 2⁸ = 22366340654137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22366340654363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183170327196 + 11183170327197.

It is an arithmetic number, because the mean of its divisors is an integer number (11183170327197).

Almost surely, 2^{22366340654393} is an apocalyptic number.

It is an amenable number.

22366340654393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22366340654393 is an equidigital number, since it uses as much as digits as its factorization.

22366340654393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50388480, while the sum is 56.

The spelling of 22366340654393 in words is "twenty-two trillion, three hundred sixty-six billion, three hundred forty million, six hundred fifty-four thousand, three hundred ninety-three".