22530543 has 12 divisors (see below), whose sum is σ = 34945560. Its totient is φ = 12874512.

The previous prime is 22530539. The next prime is 22530569. The reversal of 22530543 is 34503522.

It is not a de Polignac number, because 22530543 - 2² = 22530539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76488 + ... + 76781.

It is an arithmetic number, because the mean of its divisors is an integer number (2912130).

Almost surely, 2^22530543 is an apocalyptic number.

22530543 is a deficient number, since it is larger than the sum of its proper divisors (12415017).

22530543 is a wasteful number, since it uses less digits than its factorization.

22530543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153286 (or 153279 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 22530543 is about 4746.6349132833. The cubic root of 22530543 is about 282.4384934099.

The spelling of 22530543 in words is "twenty-two million, five hundred thirty thousand, five hundred forty-three".