843228242 has 16 divisors (see below), whose sum is σ = 1271517912. Its totient is φ = 419395200.

The previous prime is 843228229. The next prime is 843228259. The reversal of 843228242 is 242822348.

It can be written as a sum of positive squares in 4 ways, for example, as 829382401 + 13845841 = 28799^2 + 3721^2 .

It is a super-2 number, since 2×843228242² = 1422067736212821128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379928 + ... + 382140.

Almost surely, 2^843228242 is an apocalyptic number.

843228242 is a deficient number, since it is larger than the sum of its proper divisors (428289670).

843228242 is a wasteful number, since it uses less digits than its factorization.

843228242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133.

The product of its digits is 49152, while the sum is 35.

The square root of 843228242 is about 29038.3925519303. The cubic root of 843228242 is about 944.7459698105.

The spelling of 843228242 in words is "eight hundred forty-three million, two hundred twenty-eight thousand, two hundred forty-two".