122223645205 has 8 divisors (see below), whose sum is σ = 147546628992. Its totient is φ = 97193413008.

The previous prime is 122223645149. The next prime is 122223645221. The reversal of 122223645205 is 502546322221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122223645205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73186977 + ... + 73188646.

It is an arithmetic number, because the mean of its divisors is an integer number (18443328624).

Almost surely, 2^122223645205 is an apocalyptic number.

It is an amenable number.

122223645205 is a deficient number, since it is larger than the sum of its proper divisors (25322983787).

122223645205 is a wasteful number, since it uses less digits than its factorization.

122223645205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146375795.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 122223645205 its reverse (502546322221), we get a palindrome (624769967426).

The spelling of 122223645205 in words is "one hundred twenty-two billion, two hundred twenty-three million, six hundred forty-five thousand, two hundred five".