22563241 has 4 divisors (see below), whose sum is σ = 23750800. Its totient is φ = 21375684.

The previous prime is 22563221. The next prime is 22563251. The reversal of 22563241 is 14236522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14236522 = 2 ⋅7118261.

It is not a de Polignac number, because 22563241 - 2⁷ = 22563113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22563221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593751 + ... + 593788.

It is an arithmetic number, because the mean of its divisors is an integer number (5937700).

Almost surely, 2^22563241 is an apocalyptic number.

It is an amenable number.

22563241 is a deficient number, since it is larger than the sum of its proper divisors (1187559).

22563241 is a wasteful number, since it uses less digits than its factorization.

22563241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187558.

The product of its digits is 2880, while the sum is 25.

The square root of 22563241 is about 4750.0779993596. The cubic root of 22563241 is about 282.5750592836.

Adding to 22563241 its reverse (14236522), we get a palindrome (36799763).

The spelling of 22563241 in words is "twenty-two million, five hundred sixty-three thousand, two hundred forty-one".