284422841 has 2 divisors, whose sum is σ = 284422842. Its totient is φ = 284422840.

The previous prime is 284422829. The next prime is 284422843. The reversal of 284422841 is 148224482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282912400 + 1510441 = 16820^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 284422841 - 2⁶ = 284422777 is a prime.

It is a super-2 number, since 2×284422841² = 161792704965022562, which contains 22 as substring.

Together with 284422843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (284422843) 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, 142211420 + 142211421.

It is an arithmetic number, because the mean of its divisors is an integer number (142211421).

Almost surely, 2^284422841 is an apocalyptic number.

It is an amenable number.

284422841 is a deficient number, since it is larger than the sum of its proper divisors (1).

284422841 is an equidigital number, since it uses as much as digits as its factorization.

284422841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32768, while the sum is 35.

The square root of 284422841 is about 16864.8403787288. The cubic root of 284422841 is about 657.6399031472.

The spelling of 284422841 in words is "two hundred eighty-four million, four hundred twenty-two thousand, eight hundred forty-one".