22116603 has 8 divisors (see below), whose sum is σ = 29862400. Its totient is φ = 14557608.

The previous prime is 22116583. The next prime is 22116607. The reversal of 22116603 is 30661122.

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 22116603 - 2⁶ = 22116539 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 22116603.

It is not an unprimeable number, because it can be changed into a prime (22116607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46423 + ... + 46896.

It is an arithmetic number, because the mean of its divisors is an integer number (3732800).

Almost surely, 2^22116603 is an apocalyptic number.

22116603 is a deficient number, since it is larger than the sum of its proper divisors (7745797).

22116603 is an equidigital number, since it uses as much as digits as its factorization.

22116603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93401.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22116603 is about 4702.8292548210. The cubic root of 22116603 is about 280.6981007241.

Adding to 22116603 its reverse (30661122), we get a palindrome (52777725).

The spelling of 22116603 in words is "twenty-two million, one hundred sixteen thousand, six hundred three".