122206447573 has 4 divisors (see below), whose sum is σ = 139664511520. Its totient is φ = 104748383628.

The previous prime is 122206447513. The next prime is 122206447577. The reversal of 122206447573 is 375744602221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 375744602221 = 97 ⋅3873655693.

It is not a de Polignac number, because 122206447573 - 2²⁹ = 121669576661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206447577) 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 in 3 ways as a sum of consecutive naturals, for example, 8729031963 + ... + 8729031976.

It is an arithmetic number, because the mean of its divisors is an integer number (34916127880).

Almost surely, 2^122206447573 is an apocalyptic number.

It is an amenable number.

122206447573 is a deficient number, since it is larger than the sum of its proper divisors (17458063947).

122206447573 is an equidigital number, since it uses as much as digits as its factorization.

122206447573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458063946.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 122206447573 in words is "one hundred twenty-two billion, two hundred six million, four hundred forty-seven thousand, five hundred seventy-three".