22165531103 has 4 divisors (see below), whose sum is σ = 22174482120. Its totient is φ = 22156580088.

The previous prime is 22165531057. The next prime is 22165531117. The reversal of 22165531103 is 30113556122.

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 22165531103 - 2¹⁸ = 22165268959 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 (22165531153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471793 + ... + 4476746.

It is an arithmetic number, because the mean of its divisors is an integer number (5543620530).

Almost surely, 2^22165531103 is an apocalyptic number.

22165531103 is a deficient number, since it is larger than the sum of its proper divisors (8951017).

22165531103 is an equidigital number, since it uses as much as digits as its factorization.

22165531103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951016.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 22165531103 in words is "twenty-two billion, one hundred sixty-five million, five hundred thirty-one thousand, one hundred three".