22301845493 has 2 divisors, whose sum is σ = 22301845494. Its totient is φ = 22301845492.

The previous prime is 22301845481. The next prime is 22301845507. The reversal of 22301845493 is 39454810322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22110797809 + 191047684 = 148697^2 + 13822^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301845493 - 2⁴ = 22301845477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22301845493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22301845463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150922746 + 11150922747.

It is an arithmetic number, because the mean of its divisors is an integer number (11150922747).

Almost surely, 2^22301845493 is an apocalyptic number.

It is an amenable number.

22301845493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301845493 is an equidigital number, since it uses as much as digits as its factorization.

22301845493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 22301845493 in words is "twenty-two billion, three hundred one million, eight hundred forty-five thousand, four hundred ninety-three".