22628543 has 12 divisors (see below), whose sum is σ = 27173952. Its totient is φ = 18768960.

The previous prime is 22628533. The next prime is 22628579. The reversal of 22628543 is 34582622.

It is not a de Polignac number, because 22628543 - 2¹⁰ = 22627519 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 (22628533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5930 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (2264496).

Almost surely, 2^22628543 is an apocalyptic number.

22628543 is a deficient number, since it is larger than the sum of its proper divisors (4545409).

22628543 is a wasteful number, since it uses less digits than its factorization.

22628543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14942 (or 14935 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 22628543 is about 4756.9468149224. The cubic root of 22628543 is about 282.8474040719.

The spelling of 22628543 in words is "twenty-two million, six hundred twenty-eight thousand, five hundred forty-three".