11422563 has 8 divisors (see below), whose sum is σ = 15584448. Its totient is φ = 7437864.

The previous prime is 11422517. The next prime is 11422583. The reversal of 11422563 is 36522411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11422563 - 2⁹ = 11422051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11422583) 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 in 7 ways as a sum of consecutive naturals, for example, 44145 + ... + 44402.

It is an arithmetic number, because the mean of its divisors is an integer number (1948056).

Almost surely, 2^11422563 is an apocalyptic number.

11422563 is a deficient number, since it is larger than the sum of its proper divisors (4161885).

11422563 is an equidigital number, since it uses as much as digits as its factorization.

11422563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88593.

The product of its digits is 1440, while the sum is 24.

The square root of 11422563 is about 3379.7282435131. The cubic root of 11422563 is about 225.2100951194.

Adding to 11422563 its reverse (36522411), we get a palindrome (47944974).

The spelling of 11422563 in words is "eleven million, four hundred twenty-two thousand, five hundred sixty-three".