340215222041 has 2 divisors, whose sum is σ = 340215222042. Its totient is φ = 340215222040.

The previous prime is 340215222029. The next prime is 340215222043. The reversal of 340215222041 is 140222512043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319107490816 + 21107731225 = 564896^2 + 145285^2 .

It is an emirp because it is prime and its reverse (140222512043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340215222041 - 2⁶ = 340215221977 is a prime.

Together with 340215222043, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340215222041.

It is not a weakly prime, because it can be changed into another prime (340215222043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170107611020 + 170107611021.

It is an arithmetic number, because the mean of its divisors is an integer number (170107611021).

Almost surely, 2^340215222041 is an apocalyptic number.

It is an amenable number.

340215222041 is a deficient number, since it is larger than the sum of its proper divisors (1).

340215222041 is an equidigital number, since it uses as much as digits as its factorization.

340215222041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 340215222041 its reverse (140222512043), we get a palindrome (480437734084).

The spelling of 340215222041 in words is "three hundred forty billion, two hundred fifteen million, two hundred twenty-two thousand, forty-one".