22563245 has 8 divisors (see below), whose sum is σ = 27102816. Its totient is φ = 18032656.

The previous prime is 22563221. The next prime is 22563251. The reversal of 22563245 is 54236522.

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

It is a cyclic number.

It is not a de Polignac number, because 22563245 - 2⁶ = 22563181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6134 + ... + 9096.

It is an arithmetic number, because the mean of its divisors is an integer number (3387852).

Almost surely, 2^22563245 is an apocalyptic number.

It is an amenable number.

22563245 is a deficient number, since it is larger than the sum of its proper divisors (4539571).

22563245 is a wasteful number, since it uses less digits than its factorization.

22563245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491.

The product of its digits is 14400, while the sum is 29.

The square root of 22563245 is about 4750.0784204053. The cubic root of 22563245 is about 282.5750759818.

Adding to 22563245 its reverse (54236522), we get a palindrome (76799767).

The spelling of 22563245 in words is "twenty-two million, five hundred sixty-three thousand, two hundred forty-five".