22218068541 has 8 divisors (see below), whose sum is σ = 29929494784. Its totient is φ = 14659344000.

The previous prime is 22218068539. The next prime is 22218068569. The reversal of 22218068541 is 14586081222.

It is a happy number.

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

It is not a de Polignac number, because 22218068541 - 2¹ = 22218068539 is a prime.

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 22218068541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22218068581) 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 7 ways as a sum of consecutive naturals, for example, 38175085 + ... + 38175666.

It is an arithmetic number, because the mean of its divisors is an integer number (3741186848).

Almost surely, 2^22218068541 is an apocalyptic number.

It is an amenable number.

22218068541 is a deficient number, since it is larger than the sum of its proper divisors (7711426243).

22218068541 is an equidigital number, since it uses as much as digits as its factorization.

22218068541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76350851.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 22218068541 in words is "twenty-two billion, two hundred eighteen million, sixty-eight thousand, five hundred forty-one".