1022449 has 2 divisors, whose sum is σ = 1022450. Its totient is φ = 1022448.

The previous prime is 1022443. The next prime is 1022467. The reversal of 1022449 is 9442201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 71824 = 975^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022449 - 2¹¹ = 1020401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022443) 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, 511224 + 511225.

It is an arithmetic number, because the mean of its divisors is an integer number (511225).

2^1022449 is an apocalyptic number.

It is an amenable number.

1022449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022449 is an equidigital number, since it uses as much as digits as its factorization.

1022449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1022449 is about 1011.1622026164. The cubic root of 1022449 is about 100.7427692783.

The spelling of 1022449 in words is "one million, twenty-two thousand, four hundred forty-nine".