422284847 has 2 divisors, whose sum is σ = 422284848. Its totient is φ = 422284846.

The previous prime is 422284831. The next prime is 422284903. The reversal of 422284847 is 748482224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422284847 - 2⁴ = 422284831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422784847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211142423 + 211142424.

It is an arithmetic number, because the mean of its divisors is an integer number (211142424).

Almost surely, 2^422284847 is an apocalyptic number.

422284847 is a deficient number, since it is larger than the sum of its proper divisors (1).

422284847 is an equidigital number, since it uses as much as digits as its factorization.

422284847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 229376, while the sum is 41.

The square root of 422284847 is about 20549.5704821293. The cubic root of 422284847 is about 750.2427936894.

The spelling of 422284847 in words is "four hundred twenty-two million, two hundred eighty-four thousand, eight hundred forty-seven".