22079543 has 4 divisors (see below), whose sum is σ = 22104240. Its totient is φ = 22054848.

The previous prime is 22079531. The next prime is 22079579. The reversal of 22079543 is 34597022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22079543 - 2¹² = 22075447 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 (22079513) 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, 10955 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (5526060).

Almost surely, 2^22079543 is an apocalyptic number.

22079543 is a deficient number, since it is larger than the sum of its proper divisors (24697).

22079543 is an equidigital number, since it uses as much as digits as its factorization.

22079543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24696.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 22079543 is about 4698.8874215074. The cubic root of 22079543 is about 280.5412278160.

It can be divided in two parts, 22079 and 543, that added together give a palindrome (22622).

The spelling of 22079543 in words is "twenty-two million, seventy-nine thousand, five hundred forty-three".