843822181228348 has 48 divisors (see below), whose sum is σ = 1710449177681664. Its totient is φ = 356763942524160.

The previous prime is 843822181228303. The next prime is 843822181228399.

843822181228348 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×843822181228348² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 843822181228348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261122365 + ... + 264334132.

It is an arithmetic number, because the mean of its divisors is an integer number (35634357868368).

Almost surely, 2^{843822181228348} is an apocalyptic number.

It is an amenable number.

843822181228348 is an abundant number, since it is smaller than the sum of its proper divisors (866626996453316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

843822181228348 is a wasteful number, since it uses less digits than its factorization.

843822181228348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525457282 (or 525457280 counting only the distinct ones).

The product of its digits is 75497472, while the sum is 64.

The spelling of 843822181228348 in words is "eight hundred forty-three trillion, eight hundred twenty-two billion, one hundred eighty-one million, two hundred twenty-eight thousand, three hundred forty-eight".