2298231281 has 2 divisors, whose sum is σ = 2298231282. Its totient is φ = 2298231280.

The previous prime is 2298231269. The next prime is 2298231311. The reversal of 2298231281 is 1821328922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1395769600 + 902461681 = 37360^2 + 30041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2298231281 - 2¹⁰ = 2298230257 is a prime.

It is a super-2 number, since 2×2298231281² = 10563734041933801922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2298231251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149115640 + 1149115641.

It is an arithmetic number, because the mean of its divisors is an integer number (1149115641).

Almost surely, 2^2298231281 is an apocalyptic number.

It is an amenable number.

2298231281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2298231281 is an equidigital number, since it uses as much as digits as its factorization.

2298231281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 2298231281 is about 47939.8715163068. The cubic root of 2298231281 is about 1319.6676698196.

The spelling of 2298231281 in words is "two billion, two hundred ninety-eight million, two hundred thirty-one thousand, two hundred eighty-one".