22162500203 has 4 divisors (see below), whose sum is σ = 22162844880. Its totient is φ = 22162155528.

The previous prime is 22162500187. The next prime is 22162500209. The reversal of 22162500203 is 30200526122.

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 22162500203 - 2⁴ = 22162500187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22162500209) 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, 44063 + ... + 215096.

It is an arithmetic number, because the mean of its divisors is an integer number (5540711220).

Almost surely, 2^22162500203 is an apocalyptic number.

22162500203 is a deficient number, since it is larger than the sum of its proper divisors (344677).

22162500203 is an equidigital number, since it uses as much as digits as its factorization.

22162500203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344676.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 22162500203 in words is "twenty-two billion, one hundred sixty-two million, five hundred thousand, two hundred three".