284422158449 has 16 divisors (see below), whose sum is σ = 334223736000. Its totient is φ = 238620634560.

The previous prime is 284422158439. The next prime is 284422158463. The reversal of 284422158449 is 944851224482.

It is a de Polignac number, because none of the positive numbers 2^k-284422158449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284422158449.

It is not an unprimeable number, because it can be changed into a prime (284422158439) 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 in 15 ways as a sum of consecutive naturals, for example, 394802 + ... + 851300.

It is an arithmetic number, because the mean of its divisors is an integer number (20888983500).

Almost surely, 2^284422158449 is an apocalyptic number.

It is an amenable number.

284422158449 is a deficient number, since it is larger than the sum of its proper divisors (49801577551).

284422158449 is a wasteful number, since it uses less digits than its factorization.

284422158449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460880.

The product of its digits is 5898240, while the sum is 53.

The spelling of 284422158449 in words is "two hundred eighty-four billion, four hundred twenty-two million, one hundred fifty-eight thousand, four hundred forty-nine".