22180103 has 4 divisors (see below), whose sum is σ = 24196488. Its totient is φ = 20163720.

The previous prime is 22180063. The next prime is 22180111. The reversal of 22180103 is 30108122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22180103 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 (22180153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008176 + ... + 1008197.

It is an arithmetic number, because the mean of its divisors is an integer number (6049122).

Almost surely, 2^22180103 is an apocalyptic number.

22180103 is a deficient number, since it is larger than the sum of its proper divisors (2016385).

22180103 is a wasteful number, since it uses less digits than its factorization.

22180103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016384.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 22180103 is about 4709.5756709071. The cubic root of 22180103 is about 280.9664857891.

Adding to 22180103 its reverse (30108122), we get a palindrome (52288225).

The spelling of 22180103 in words is "twenty-two million, one hundred eighty thousand, one hundred three".