2281292249 has 2 divisors, whose sum is σ = 2281292250. Its totient is φ = 2281292248.

The previous prime is 2281292207. The next prime is 2281292281. The reversal of 2281292249 is 9422921822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1921507225 + 359785024 = 43835^2 + 18968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281292249 - 2⁸ = 2281291993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281292549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140646124 + 1140646125.

It is an arithmetic number, because the mean of its divisors is an integer number (1140646125).

Almost surely, 2^2281292249 is an apocalyptic number.

It is an amenable number.

2281292249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281292249 is an equidigital number, since it uses as much as digits as its factorization.

2281292249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 2281292249 is about 47762.8752170553. The cubic root of 2281292249 is about 1316.4174836745.

The spelling of 2281292249 in words is "two billion, two hundred eighty-one million, two hundred ninety-two thousand, two hundred forty-nine".