2299243021 has 2 divisors, whose sum is σ = 2299243022. Its totient is φ = 2299243020.

The previous prime is 2299242997. The next prime is 2299243027. The reversal of 2299243021 is 1203429922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191285225 + 1107957796 = 34515^2 + 33286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2299243021 - 2⁹ = 2299242509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2299243027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149621510 + 1149621511.

It is an arithmetic number, because the mean of its divisors is an integer number (1149621511).

Almost surely, 2^2299243021 is an apocalyptic number.

It is an amenable number.

2299243021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299243021 is an equidigital number, since it uses as much as digits as its factorization.

2299243021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2299243021 is about 47950.4225320278. The cubic root of 2299243021 is about 1319.8612918604.

The spelling of 2299243021 in words is "two billion, two hundred ninety-nine million, two hundred forty-three thousand, twenty-one".