22212203203 has 4 divisors (see below), whose sum is σ = 22234800528. Its totient is φ = 22189605880.

The previous prime is 22212203171. The next prime is 22212203227. The reversal of 22212203203 is 30230221222.

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 22212203203 - 2⁵ = 22212203171 is a prime.

It is a super-2 number, since 2×22212203203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212203263) 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, 11297188 + ... + 11299153.

It is an arithmetic number, because the mean of its divisors is an integer number (5558700132).

Almost surely, 2^22212203203 is an apocalyptic number.

22212203203 is a deficient number, since it is larger than the sum of its proper divisors (22597325).

22212203203 is an equidigital number, since it uses as much as digits as its factorization.

22212203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22597324.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22212203203 its reverse (30230221222), we get a palindrome (52442424425).

The spelling of 22212203203 in words is "twenty-two billion, two hundred twelve million, two hundred three thousand, two hundred three".