344222576645 has 4 divisors (see below), whose sum is σ = 413067091980. Its totient is φ = 275378061312.

The previous prime is 344222576591. The next prime is 344222576657. The reversal of 344222576645 is 546675222443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546675222443 = 7 ⋅78096460349.

It can be written as a sum of positive squares in 2 ways, for example, as 246847998244 + 97374578401 = 496838^2 + 312049^2 .

It is a cyclic number.

It is not a de Polignac number, because 344222576645 - 2²⁴ = 344205799429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344222576593 and 344222576602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34422257660 + ... + 34422257669.

It is an arithmetic number, because the mean of its divisors is an integer number (103266772995).

Almost surely, 2^344222576645 is an apocalyptic number.

It is an amenable number.

344222576645 is a deficient number, since it is larger than the sum of its proper divisors (68844515335).

344222576645 is an equidigital number, since it uses as much as digits as its factorization.

344222576645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68844515334.

The product of its digits is 9676800, while the sum is 50.

The spelling of 344222576645 in words is "three hundred forty-four billion, two hundred twenty-two million, five hundred seventy-six thousand, six hundred forty-five".