22221000203 has 8 divisors (see below), whose sum is σ = 23761071360. Its totient is φ = 20706812800.

The previous prime is 22221000187. The next prime is 22221000209. The reversal of 22221000203 is 30200012222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22221000203 - 2⁴ = 22221000187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221000209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6469163 + ... + 6472596.

It is an arithmetic number, because the mean of its divisors is an integer number (2970133920).

Almost surely, 2^22221000203 is an apocalyptic number.

22221000203 is a deficient number, since it is larger than the sum of its proper divisors (1540071157).

22221000203 is a wasteful number, since it uses less digits than its factorization.

22221000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12941877.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22221000203 its reverse (30200012222), we get a palindrome (52421012425).

The spelling of 22221000203 in words is "twenty-two billion, two hundred twenty-one million, two hundred three", and thus it is an aban number.