22365605434901 has 2 divisors, whose sum is σ = 22365605434902. Its totient is φ = 22365605434900.

The previous prime is 22365605434889. The next prime is 22365605434927. The reversal of 22365605434901 is 10943450656322.

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., 16184738196676 + 6180867238225 = 4023026^2 + 2486135^2 .

It is a cyclic number.

It is not a de Polignac number, because 22365605434901 - 2¹⁰ = 22365605433877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22365605434901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22365605434801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11182802717450 + 11182802717451.

It is an arithmetic number, because the mean of its divisors is an integer number (11182802717451).

Almost surely, 2^{22365605434901} is an apocalyptic number.

It is an amenable number.

22365605434901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22365605434901 is an equidigital number, since it uses as much as digits as its factorization.

22365605434901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 22365605434901 in words is "twenty-two trillion, three hundred sixty-five billion, six hundred five million, four hundred thirty-four thousand, nine hundred one".