2299249 has 2 divisors, whose sum is σ = 2299250. Its totient is φ = 2299248.

The previous prime is 2299229. The next prime is 2299259. The reversal of 2299249 is 9429922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 176400 = 1457^2 + 420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2299249 is a prime.

It is an Ulam number.

2299249 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2299229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149624 + 1149625.

It is an arithmetic number, because the mean of its divisors is an integer number (1149625).

2^2299249 is an apocalyptic number.

It is an amenable number.

2299249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299249 is an equidigital number, since it uses as much as digits as its factorization.

2299249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 2299249 is about 1516.3274712278. The cubic root of 2299249 is about 131.9862435924.

The spelling of 2299249 in words is "two million, two hundred ninety-nine thousand, two hundred forty-nine".