345222303222497 has 2 divisors, whose sum is σ = 345222303222498. Its totient is φ = 345222303222496.

The previous prime is 345222303222479. The next prime is 345222303222547. The reversal of 345222303222497 is 794222303222543.

Together with previous prime (345222303222479) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (345222303222547) can be obtained adding 345222303222497 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341501381819536 + 3720921402961 = 18479756^2 + 1928969^2 .

It is a cyclic number.

It is not a de Polignac number, because 345222303222497 - 2²² = 345222299028193 is a prime.

It is not a weakly prime, because it can be changed into another prime (345222303122497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172611151611248 + 172611151611249.

It is an arithmetic number, because the mean of its divisors is an integer number (172611151611249).

Almost surely, 2^{345222303222497} is an apocalyptic number.

It is an amenable number.

345222303222497 is a deficient number, since it is larger than the sum of its proper divisors (1).

345222303222497 is an equidigital number, since it uses as much as digits as its factorization.

345222303222497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 50.

The spelling of 345222303222497 in words is "three hundred forty-five trillion, two hundred twenty-two billion, three hundred three million, two hundred twenty-two thousand, four hundred ninety-seven".