2284985881 has 2 divisors, whose sum is σ = 2284985882. Its totient is φ = 2284985880.

The previous prime is 2284985869. The next prime is 2284985891. The reversal of 2284985881 is 1885894822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1873504656 + 411481225 = 43284^2 + 20285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2284985881 is a prime.

It is a super-2 number, since 2×2284985881² = 10442320952738692322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2284985821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142492940 + 1142492941.

It is an arithmetic number, because the mean of its divisors is an integer number (1142492941).

Almost surely, 2^2284985881 is an apocalyptic number.

It is an amenable number.

2284985881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2284985881 is an equidigital number, since it uses as much as digits as its factorization.

2284985881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2949120, while the sum is 55.

The square root of 2284985881 is about 47801.5259275266. The cubic root of 2284985881 is about 1317.1275695031.

The spelling of 2284985881 in words is "two billion, two hundred eighty-four million, nine hundred eighty-five thousand, eight hundred eighty-one".