2843225881 has 2 divisors, whose sum is σ = 2843225882. Its totient is φ = 2843225880.

The previous prime is 2843225821. The next prime is 2843225887. The reversal of 2843225881 is 1885223482.

2843225881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2508006400 + 335219481 = 50080^2 + 18309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2843225881 - 2¹⁷ = 2843094809 is a prime.

It is a super-2 number, since 2×2843225881² = 16167866820776452322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2843225887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421612940 + 1421612941.

It is an arithmetic number, because the mean of its divisors is an integer number (1421612941).

Almost surely, 2^2843225881 is an apocalyptic number.

It is an amenable number.

2843225881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2843225881 is an equidigital number, since it uses as much as digits as its factorization.

2843225881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 245760, while the sum is 43.

The square root of 2843225881 is about 53321.9080772622. The cubic root of 2843225881 is about 1416.6757325802.

The spelling of 2843225881 in words is "two billion, eight hundred forty-three million, two hundred twenty-five thousand, eight hundred eighty-one".