1005222425387 has 2 divisors, whose sum is σ = 1005222425388. Its totient is φ = 1005222425386.

The previous prime is 1005222425353. The next prime is 1005222425477. The reversal of 1005222425387 is 7835242225001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005222425387 - 2²⁰ = 1005221376811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005222425287) 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, 502611212693 + 502611212694.

It is an arithmetic number, because the mean of its divisors is an integer number (502611212694).

Almost surely, 2^{1005222425387} is an apocalyptic number.

1005222425387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005222425387 is an equidigital number, since it uses as much as digits as its factorization.

1005222425387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 1005222425387 in words is "one trillion, five billion, two hundred twenty-two million, four hundred twenty-five thousand, three hundred eighty-seven".