282243047 has 2 divisors, whose sum is σ = 282243048. Its totient is φ = 282243046.

The previous prime is 282243029. The next prime is 282243089. The reversal of 282243047 is 740342282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 282243047 - 2¹⁴ = 282226663 is a prime.

It is a super-2 number, since 2×282243047² = 159322275159688418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282243547) 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, 141121523 + 141121524.

It is an arithmetic number, because the mean of its divisors is an integer number (141121524).

Almost surely, 2^282243047 is an apocalyptic number.

282243047 is a deficient number, since it is larger than the sum of its proper divisors (1).

282243047 is an equidigital number, since it uses as much as digits as its factorization.

282243047 is an odious number, because the sum of its binary digits is odd.

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

The square root of 282243047 is about 16800.0906842791. The cubic root of 282243047 is about 655.9555596196.

The spelling of 282243047 in words is "two hundred eighty-two million, two hundred forty-three thousand, forty-seven".