22220022203 has 4 divisors (see below), whose sum is σ = 22221427728. Its totient is φ = 22218616680.

The previous prime is 22220022173. The next prime is 22220022211. The reversal of 22220022203 is 30222002222.

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 22220022203 - 2²⁰ = 22218973627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220022103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678776 + ... + 710757.

It is an arithmetic number, because the mean of its divisors is an integer number (5555356932).

Almost surely, 2^22220022203 is an apocalyptic number.

22220022203 is a deficient number, since it is larger than the sum of its proper divisors (1405525).

22220022203 is a wasteful number, since it uses less digits than its factorization.

22220022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405524.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22220022203 its reverse (30222002222), we get a palindrome (52442024425).

The spelling of 22220022203 in words is "twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred three".