340042222427 has 2 divisors, whose sum is σ = 340042222428. Its totient is φ = 340042222426.

The previous prime is 340042222397. The next prime is 340042222447. The reversal of 340042222427 is 724222240043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340042222427 - 2⁶ = 340042222363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340042222393 and 340042222402.

It is not a weakly prime, because it can be changed into another prime (340042222447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170021111213 + 170021111214.

It is an arithmetic number, because the mean of its divisors is an integer number (170021111214).

Almost surely, 2^340042222427 is an apocalyptic number.

340042222427 is a deficient number, since it is larger than the sum of its proper divisors (1).

340042222427 is an equidigital number, since it uses as much as digits as its factorization.

340042222427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 32.

The spelling of 340042222427 in words is "three hundred forty billion, forty-two million, two hundred twenty-two thousand, four hundred twenty-seven".