22120203 has 16 divisors (see below), whose sum is σ = 33774336. Its totient is φ = 12614880.

The previous prime is 22120193. The next prime is 22120223. The reversal of 22120203 is 30202122.

It is not a de Polignac number, because 22120203 - 2⁴ = 22120187 is a prime.

It is a super-3 number, since 3×22120203³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22120223) 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 15 ways as a sum of consecutive naturals, for example, 16600 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (2110896).

Almost surely, 2^22120203 is an apocalyptic number.

22120203 is a deficient number, since it is larger than the sum of its proper divisors (11654133).

22120203 is a wasteful number, since it uses less digits than its factorization.

22120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22120203 is about 4703.2119875676. The cubic root of 22120203 is about 280.7133299818.

Adding to 22120203 its reverse (30202122), we get a palindrome (52322325).

The spelling of 22120203 in words is "twenty-two million, one hundred twenty thousand, two hundred three".