22103311233 has 4 divisors (see below), whose sum is σ = 29471081648. Its totient is φ = 14735540820.

The previous prime is 22103311229. The next prime is 22103311247. The reversal of 22103311233 is 33211330122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22103311233 - 2² = 22103311229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22103311733) 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, 3683885203 + ... + 3683885208.

It is an arithmetic number, because the mean of its divisors is an integer number (7367770412).

Almost surely, 2^22103311233 is an apocalyptic number.

It is an amenable number.

22103311233 is a deficient number, since it is larger than the sum of its proper divisors (7367770415).

22103311233 is an equidigital number, since it uses as much as digits as its factorization.

22103311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367770414.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22103311233 its reverse (33211330122), we get a palindrome (55314641355).

It can be divided in two parts, 22103 and 311233, that added together give a triangular number (333336 = T₈₁₆).

The spelling of 22103311233 in words is "twenty-two billion, one hundred three million, three hundred eleven thousand, two hundred thirty-three".