22012455442399 has 2 divisors, whose sum is σ = 22012455442400. Its totient is φ = 22012455442398.

The previous prime is 22012455442387. The next prime is 22012455442583. The reversal of 22012455442399 is 99324455421022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012455442399 - 2²¹ = 22012453345247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012455442309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006227721199 + 11006227721200.

It is an arithmetic number, because the mean of its divisors is an integer number (11006227721200).

Almost surely, 2^{22012455442399} is an apocalyptic number.

22012455442399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012455442399 is an equidigital number, since it uses as much as digits as its factorization.

22012455442399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 22012455442399 in words is "twenty-two trillion, twelve billion, four hundred fifty-five million, four hundred forty-two thousand, three hundred ninety-nine".