422803427 has 2 divisors, whose sum is σ = 422803428. Its totient is φ = 422803426.

The previous prime is 422803421. The next prime is 422803453. The reversal of 422803427 is 724308224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422803427 - 2¹⁸ = 422541283 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 422803393 and 422803402.

It is not a weakly prime, because it can be changed into another prime (422803421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211401713 + 211401714.

It is an arithmetic number, because the mean of its divisors is an integer number (211401714).

Almost surely, 2^422803427 is an apocalyptic number.

422803427 is a deficient number, since it is larger than the sum of its proper divisors (1).

422803427 is an equidigital number, since it uses as much as digits as its factorization.

422803427 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 422803427 is about 20562.1843927147. The cubic root of 422803427 is about 750.5497758598.

The spelling of 422803427 in words is "four hundred twenty-two million, eight hundred three thousand, four hundred twenty-seven".