22630543 has 4 divisors (see below), whose sum is σ = 24371368. Its totient is φ = 20889720.

The previous prime is 22630529. The next prime is 22630583. The reversal of 22630543 is 34503622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34503622 = 2 ⋅17251811.

It is a cyclic number.

It is not a de Polignac number, because 22630543 - 2¹³ = 22622351 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 (22630583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870393 + ... + 870418.

It is an arithmetic number, because the mean of its divisors is an integer number (6092842).

Almost surely, 2^22630543 is an apocalyptic number.

22630543 is a deficient number, since it is larger than the sum of its proper divisors (1740825).

22630543 is a wasteful number, since it uses less digits than its factorization.

22630543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740824.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22630543 is about 4757.1570291509. The cubic root of 22630543 is about 282.8557368833.

The spelling of 22630543 in words is "twenty-two million, six hundred thirty thousand, five hundred forty-three".