22765344217153 has 4 divisors (see below), whose sum is σ = 23550356086740. Its totient is φ = 21980332347568.

The previous prime is 22765344217129. The next prime is 22765344217199. The reversal of 22765344217153 is 35171244356722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9550250761104 + 13215093456049 = 3090348^2 + 3635257^2 .

It is a cyclic number.

It is not a de Polignac number, because 22765344217153 - 2¹³ = 22765344208961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22765344217153.

It is not an unprimeable number, because it can be changed into a prime (22765344217753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392505934750 + ... + 392505934807.

It is an arithmetic number, because the mean of its divisors is an integer number (5887589021685).

Almost surely, 2^{22765344217153} is an apocalyptic number.

It is an amenable number.

22765344217153 is a deficient number, since it is larger than the sum of its proper divisors (785011869587).

22765344217153 is an equidigital number, since it uses as much as digits as its factorization.

22765344217153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785011869586.

The product of its digits is 8467200, while the sum is 52.

The spelling of 22765344217153 in words is "twenty-two trillion, seven hundred sixty-five billion, three hundred forty-four million, two hundred seventeen thousand, one hundred fifty-three".