1122243563 has 4 divisors (see below), whose sum is σ = 1282564080. Its totient is φ = 961923048.

The previous prime is 1122243557. The next prime is 1122243587. The reversal of 1122243563 is 3653422211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122243563 - 2¹² = 1122239467 is a prime.

It is a super-2 number, since 2×1122243563² = 2518861229389869938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122243503) 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, 80160248 + ... + 80160261.

It is an arithmetic number, because the mean of its divisors is an integer number (320641020).

Almost surely, 2^1122243563 is an apocalyptic number.

1122243563 is a deficient number, since it is larger than the sum of its proper divisors (160320517).

1122243563 is an equidigital number, since it uses as much as digits as its factorization.

1122243563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160320516.

The product of its digits is 8640, while the sum is 29.

The square root of 1122243563 is about 33499.9039252354. The cubic root of 1122243563 is about 1039.1917916487.

Adding to 1122243563 its reverse (3653422211), we get a palindrome (4775665774).

The spelling of 1122243563 in words is "one billion, one hundred twenty-two million, two hundred forty-three thousand, five hundred sixty-three".