22528543 has 2 divisors, whose sum is σ = 22528544. Its totient is φ = 22528542.

The previous prime is 22528511. The next prime is 22528573. The reversal of 22528543 is 34582522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22528543 - 2⁵ = 22528511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22528573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11264271 + 11264272.

It is an arithmetic number, because the mean of its divisors is an integer number (11264272).

Almost surely, 2^22528543 is an apocalyptic number.

22528543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22528543 is an equidigital number, since it uses as much as digits as its factorization.

22528543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 22528543 is about 4746.4242330411. The cubic root of 22528543 is about 282.4301359593.

The spelling of 22528543 in words is "twenty-two million, five hundred twenty-eight thousand, five hundred forty-three".