422068487 has 2 divisors, whose sum is σ = 422068488. Its totient is φ = 422068486.

The previous prime is 422068483. The next prime is 422068499. The reversal of 422068487 is 784860224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422068487 - 2² = 422068483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422068483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211034243 + 211034244.

It is an arithmetic number, because the mean of its divisors is an integer number (211034244).

Almost surely, 2^422068487 is an apocalyptic number.

422068487 is a deficient number, since it is larger than the sum of its proper divisors (1).

422068487 is an equidigital number, since it uses as much as digits as its factorization.

422068487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 422068487 is about 20544.3054640453. The cubic root of 422068487 is about 750.1146414385.

The spelling of 422068487 in words is "four hundred twenty-two million, sixty-eight thousand, four hundred eighty-seven".