1446226409 has 2 divisors, whose sum is σ = 1446226410. Its totient is φ = 1446226408.

The previous prime is 1446226387. The next prime is 1446226417. The reversal of 1446226409 is 9046226441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864066025 + 582160384 = 29395^2 + 24128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1446226409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1446226709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723113204 + 723113205.

It is an arithmetic number, because the mean of its divisors is an integer number (723113205).

Almost surely, 2^1446226409 is an apocalyptic number.

It is an amenable number.

1446226409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446226409 is an equidigital number, since it uses as much as digits as its factorization.

1446226409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 1446226409 is about 38029.2835720054. The cubic root of 1446226409 is about 1130.8684708971.

The spelling of 1446226409 in words is "one billion, four hundred forty-six million, two hundred twenty-six thousand, four hundred nine".