22221231203 has 4 divisors (see below), whose sum is σ = 22316601528. Its totient is φ = 22125860880.

The previous prime is 22221231169. The next prime is 22221231259. The reversal of 22221231203 is 30213212222.

It is a happy number.

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 22221231203 - 2¹⁶ = 22221165667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221231283) 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 3 ways as a sum of consecutive naturals, for example, 47684813 + ... + 47685278.

It is an arithmetic number, because the mean of its divisors is an integer number (5579150382).

Almost surely, 2^22221231203 is an apocalyptic number.

22221231203 is a deficient number, since it is larger than the sum of its proper divisors (95370325).

22221231203 is an equidigital number, since it uses as much as digits as its factorization.

22221231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95370324.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22221231203 its reverse (30213212222), we get a palindrome (52434443425).

The spelling of 22221231203 in words is "twenty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred three".