422508442747 has 2 divisors, whose sum is σ = 422508442748. Its totient is φ = 422508442746.

The previous prime is 422508442711. The next prime is 422508442907. The reversal of 422508442747 is 747244805224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422508442747 - 2¹¹ = 422508440699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422508442747.

It is not a weakly prime, because it can be changed into another prime (422508445747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211254221373 + 211254221374.

It is an arithmetic number, because the mean of its divisors is an integer number (211254221374).

Almost surely, 2^422508442747 is an apocalyptic number.

422508442747 is a deficient number, since it is larger than the sum of its proper divisors (1).

422508442747 is an equidigital number, since it uses as much as digits as its factorization.

422508442747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4014080, while the sum is 49.

The spelling of 422508442747 in words is "four hundred twenty-two billion, five hundred eight million, four hundred forty-two thousand, seven hundred forty-seven".