194224242511873 has 16 divisors (see below), whose sum is σ = 222712357525504. Its totient is φ = 165921667546320.

The previous prime is 194224242511853. The next prime is 194224242511931. The reversal of 194224242511873 is 378115242422491.

It is a de Polignac number, because none of the positive numbers 2^k-194224242511873 is a prime.

It is a super-2 number, since 2×194224242511873² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194224242511853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21743578 + ... + 29346748.

It is an arithmetic number, because the mean of its divisors is an integer number (13919522345344).

Almost surely, 2^{194224242511873} is an apocalyptic number.

It is an amenable number.

194224242511873 is a deficient number, since it is larger than the sum of its proper divisors (28488115013631).

194224242511873 is a wasteful number, since it uses less digits than its factorization.

194224242511873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615372.

The product of its digits is 7741440, while the sum is 55.

The spelling of 194224242511873 in words is "one hundred ninety-four trillion, two hundred twenty-four billion, two hundred forty-two million, five hundred eleven thousand, eight hundred seventy-three".