23224565 has 16 divisors (see below), whose sum is σ = 34301568. Its totient is φ = 14700096.

The previous prime is 23224561. The next prime is 23224577. The reversal of 23224565 is 56542232.

It is a cyclic number.

It is not a de Polignac number, because 23224565 - 2² = 23224561 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224561) 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, 25067 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (2143848).

Almost surely, 2^23224565 is an apocalyptic number.

It is an amenable number.

23224565 is a deficient number, since it is larger than the sum of its proper divisors (11077003).

23224565 is a wasteful number, since it uses less digits than its factorization.

23224565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51068.

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

The square root of 23224565 is about 4819.1871721277. The cubic root of 23224565 is about 285.3092569952.

Adding to 23224565 its reverse (56542232), we get a palindrome (79766797).

The spelling of 23224565 in words is "twenty-three million, two hundred twenty-four thousand, five hundred sixty-five".