344722057 has 2 divisors, whose sum is σ = 344722058. Its totient is φ = 344722056.

The previous prime is 344722051. The next prime is 344722117. The reversal of 344722057 is 750227443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342213001 + 2509056 = 18499^2 + 1584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344722057 is a prime.

It is a super-2 number, since 2×344722057² = 237666593164622498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344722051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172361028 + 172361029.

It is an arithmetic number, because the mean of its divisors is an integer number (172361029).

Almost surely, 2^344722057 is an apocalyptic number.

It is an amenable number.

344722057 is a deficient number, since it is larger than the sum of its proper divisors (1).

344722057 is an equidigital number, since it uses as much as digits as its factorization.

344722057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 344722057 is about 18566.6921394200. The cubic root of 344722057 is about 701.1695123173.

The spelling of 344722057 in words is "three hundred forty-four million, seven hundred twenty-two thousand, fifty-seven".