422842073 has 2 divisors, whose sum is σ = 422842074. Its totient is φ = 422842072.

The previous prime is 422842019. The next prime is 422842111. The reversal of 422842073 is 370248224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412780489 + 10061584 = 20317^2 + 3172^2 .

It is a cyclic number.

It is not a de Polignac number, because 422842073 - 2¹⁸ = 422579929 is a prime.

It is not a weakly prime, because it can be changed into another prime (422842873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211421036 + 211421037.

It is an arithmetic number, because the mean of its divisors is an integer number (211421037).

Almost surely, 2^422842073 is an apocalyptic number.

It is an amenable number.

422842073 is a deficient number, since it is larger than the sum of its proper divisors (1).

422842073 is an equidigital number, since it uses as much as digits as its factorization.

422842073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 422842073 is about 20563.1241060302. The cubic root of 422842073 is about 750.5726429584.

The spelling of 422842073 in words is "four hundred twenty-two million, eight hundred forty-two thousand, seventy-three".