22318541 has 8 divisors (see below), whose sum is σ = 25641984. Its totient is φ = 19028880.

The previous prime is 22318531. The next prime is 22318547. The reversal of 22318541 is 14581322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22318541 - 2⁶ = 22318477 is a prime.

It is a super-3 number, since 3×22318541³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22318541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22318547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7010 + ... + 9683.

It is an arithmetic number, because the mean of its divisors is an integer number (3205248).

Almost surely, 2^22318541 is an apocalyptic number.

It is an amenable number.

22318541 is a deficient number, since it is larger than the sum of its proper divisors (3323443).

22318541 is a wasteful number, since it uses less digits than its factorization.

22318541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891.

The product of its digits is 1920, while the sum is 26.

The square root of 22318541 is about 4724.2503108959. The cubic root of 22318541 is about 281.5498283348.

Adding to 22318541 its reverse (14581322), we get a palindrome (36899863).

The spelling of 22318541 in words is "twenty-two million, three hundred eighteen thousand, five hundred forty-one".