422555461 has 2 divisors, whose sum is σ = 422555462. Its totient is φ = 422555460.

The previous prime is 422555447. The next prime is 422555501. The reversal of 422555461 is 164555224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360050625 + 62504836 = 18975^2 + 7906^2 .

It is a cyclic number.

It is not a de Polignac number, because 422555461 - 2¹¹ = 422553413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422555401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211277730 + 211277731.

It is an arithmetic number, because the mean of its divisors is an integer number (211277731).

Almost surely, 2^422555461 is an apocalyptic number.

It is an amenable number.

422555461 is a deficient number, since it is larger than the sum of its proper divisors (1).

422555461 is an equidigital number, since it uses as much as digits as its factorization.

422555461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48000, while the sum is 34.

The square root of 422555461 is about 20556.1538474492. The cubic root of 422555461 is about 750.4030195430.

The spelling of 422555461 in words is "four hundred twenty-two million, five hundred fifty-five thousand, four hundred sixty-one".