344112294221 has 2 divisors, whose sum is σ = 344112294222. Its totient is φ = 344112294220.

The previous prime is 344112294181. The next prime is 344112294247. The reversal of 344112294221 is 122492211443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199461385321 + 144650908900 = 446611^2 + 380330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344112294221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344112204221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172056147110 + 172056147111.

It is an arithmetic number, because the mean of its divisors is an integer number (172056147111).

Almost surely, 2^344112294221 is an apocalyptic number.

It is an amenable number.

344112294221 is a deficient number, since it is larger than the sum of its proper divisors (1).

344112294221 is an equidigital number, since it uses as much as digits as its factorization.

344112294221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The spelling of 344112294221 in words is "three hundred forty-four billion, one hundred twelve million, two hundred ninety-four thousand, two hundred twenty-one".