2245849 has 2 divisors, whose sum is σ = 2245850. Its totient is φ = 2245848.

The previous prime is 2245813. The next prime is 2245861. The reversal of 2245849 is 9485422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 186624 = 1435^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245849 - 2⁷ = 2245721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122924 + 1122925.

It is an arithmetic number, because the mean of its divisors is an integer number (1122925).

2^2245849 is an apocalyptic number.

It is an amenable number.

2245849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245849 is an equidigital number, since it uses as much as digits as its factorization.

2245849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 2245849 is about 1498.6156945662. The cubic root of 2245849 is about 130.9564371594.

The spelling of 2245849 in words is "two million, two hundred forty-five thousand, eight hundred forty-nine".