2042420422247 has 2 divisors, whose sum is σ = 2042420422248. Its totient is φ = 2042420422246.

The previous prime is 2042420422213. The next prime is 2042420422253. The reversal of 2042420422247 is 7422240242402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2042420422247 - 2⁸ = 2042420421991 is a prime.

It is a super-2 number, since 2×2042420422247² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042420425247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021210211123 + 1021210211124.

It is an arithmetic number, because the mean of its divisors is an integer number (1021210211124).

Almost surely, 2^{2042420422247} is an apocalyptic number.

2042420422247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042420422247 is an equidigital number, since it uses as much as digits as its factorization.

2042420422247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 35.

Adding to 2042420422247 its reverse (7422240242402), we get a palindrome (9464660664649).

The spelling of 2042420422247 in words is "two trillion, forty-two billion, four hundred twenty million, four hundred twenty-two thousand, two hundred forty-seven".