22222213203 has 4 divisors (see below), whose sum is σ = 29629617608. Its totient is φ = 14814808800.

The previous prime is 22222213147. The next prime is 22222213219. The reversal of 22222213203 is 30231222222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22222213203 - 2¹⁷ = 22222082131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222213203.

It is not an unprimeable number, because it can be changed into a prime (22222213243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703702198 + ... + 3703702203.

It is an arithmetic number, because the mean of its divisors is an integer number (7407404402).

Almost surely, 2^22222213203 is an apocalyptic number.

22222213203 is a deficient number, since it is larger than the sum of its proper divisors (7407404405).

22222213203 is an equidigital number, since it uses as much as digits as its factorization.

22222213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407404404.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22222213203 its reverse (30231222222), we get a palindrome (52453435425).

The spelling of 22222213203 in words is "twenty-two billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred three".