22928543 has 4 divisors (see below), whose sum is σ = 25012968. Its totient is φ = 20844120.

The previous prime is 22928533. The next prime is 22928579. The reversal of 22928543 is 34582922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22928543 - 2¹⁰ = 22927519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22928513) 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 3 ways as a sum of consecutive naturals, for example, 1042196 + ... + 1042217.

It is an arithmetic number, because the mean of its divisors is an integer number (6253242).

Almost surely, 2^22928543 is an apocalyptic number.

22928543 is a deficient number, since it is larger than the sum of its proper divisors (2084425).

22928543 is a wasteful number, since it uses less digits than its factorization.

22928543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084424.

The product of its digits is 34560, while the sum is 35.

The square root of 22928543 is about 4788.3758206724. The cubic root of 22928543 is about 284.0918791197.

The spelling of 22928543 in words is "twenty-two million, nine hundred twenty-eight thousand, five hundred forty-three".