2247449 has 2 divisors, whose sum is σ = 2247450. Its totient is φ = 2247448.

The previous prime is 2247439. The next prime is 2247461. The reversal of 2247449 is 9447422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 71824 = 1475^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247449 - 2⁴ = 2247433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2247409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123724 + 1123725.

It is an arithmetic number, because the mean of its divisors is an integer number (1123725).

2^2247449 is an apocalyptic number.

It is an amenable number.

2247449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247449 is an equidigital number, since it uses as much as digits as its factorization.

2247449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 2247449 is about 1499.1494255077. The cubic root of 2247449 is about 130.9875286770.

The spelling of 2247449 in words is "two million, two hundred forty-seven thousand, four hundred forty-nine".