1322243563 has 4 divisors (see below), whose sum is σ = 1354493448. Its totient is φ = 1289993680.

The previous prime is 1322243551. The next prime is 1322243567. The reversal of 1322243563 is 3653422231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322243563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322243567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16124881 + ... + 16124962.

It is an arithmetic number, because the mean of its divisors is an integer number (338623362).

Almost surely, 2^1322243563 is an apocalyptic number.

1322243563 is a deficient number, since it is larger than the sum of its proper divisors (32249885).

1322243563 is an equidigital number, since it uses as much as digits as its factorization.

1322243563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32249884.

The product of its digits is 25920, while the sum is 31.

The square root of 1322243563 is about 36362.6671601520. The cubic root of 1322243563 is about 1097.5824490651.

Adding to 1322243563 its reverse (3653422231), we get a palindrome (4975665794).

The spelling of 1322243563 in words is "one billion, three hundred twenty-two million, two hundred forty-three thousand, five hundred sixty-three".