344378222851 has 4 divisors (see below), whose sum is σ = 370868855392. Its totient is φ = 317887590312.

The previous prime is 344378222831. The next prime is 344378222873. The reversal of 344378222851 is 158222873443.

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

It is a cyclic number.

It is not a de Polignac number, because 344378222851 - 2¹¹ = 344378220803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344378222795 and 344378222804.

It is not an unprimeable number, because it can be changed into a prime (344378222821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13245316251 + ... + 13245316276.

It is an arithmetic number, because the mean of its divisors is an integer number (92717213848).

Almost surely, 2^344378222851 is an apocalyptic number.

344378222851 is a deficient number, since it is larger than the sum of its proper divisors (26490632541).

344378222851 is a wasteful number, since it uses less digits than its factorization.

344378222851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26490632540.

The product of its digits is 2580480, while the sum is 49.

The spelling of 344378222851 in words is "three hundred forty-four billion, three hundred seventy-eight million, two hundred twenty-two thousand, eight hundred fifty-one".