22424563 has 16 divisors (see below), whose sum is σ = 27611136. Its totient is φ = 17788320.

The previous prime is 22424551. The next prime is 22424573. The reversal of 22424563 is 36542422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424563 is a prime.

It is a super-2 number, since 2×22424563² = 1005722051481938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22424573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2745 + ... + 7237.

It is an arithmetic number, because the mean of its divisors is an integer number (1725696).

Almost surely, 2^22424563 is an apocalyptic number.

22424563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22424563 is a deficient number, since it is larger than the sum of its proper divisors (5186573).

22424563 is a wasteful number, since it uses less digits than its factorization.

22424563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its digits is 11520, while the sum is 28.

The square root of 22424563 is about 4735.4580559857. The cubic root of 22424563 is about 281.9949490234.

Adding to 22424563 its reverse (36542422), we get a palindrome (58966985).

The spelling of 22424563 in words is "twenty-two million, four hundred twenty-four thousand, five hundred sixty-three".