2284178381 has 2 divisors, whose sum is σ = 2284178382. Its totient is φ = 2284178380.

The previous prime is 2284178341. The next prime is 2284178389. The reversal of 2284178381 is 1838714822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1391961481 + 892216900 = 37309^2 + 29870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2284178381 is a prime.

It is a super-2 number, since 2×2284178381² = 10434941752455562322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2284178389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142089190 + 1142089191.

It is an arithmetic number, because the mean of its divisors is an integer number (1142089191).

Almost surely, 2^2284178381 is an apocalyptic number.

It is an amenable number.

2284178381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2284178381 is an equidigital number, since it uses as much as digits as its factorization.

2284178381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 44.

The square root of 2284178381 is about 47793.0787980854. The cubic root of 2284178381 is about 1316.9723962868.

The spelling of 2284178381 in words is "two billion, two hundred eighty-four million, one hundred seventy-eight thousand, three hundred eighty-one".