22031113233 has 4 divisors (see below), whose sum is σ = 29374817648. Its totient is φ = 14687408820.

The previous prime is 22031113219. The next prime is 22031113271. The reversal of 22031113233 is 33231113022.

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 22031113233 - 2⁹ = 22031112721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031113333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671852203 + ... + 3671852208.

It is an arithmetic number, because the mean of its divisors is an integer number (7343704412).

Almost surely, 2^22031113233 is an apocalyptic number.

It is an amenable number.

22031113233 is a deficient number, since it is larger than the sum of its proper divisors (7343704415).

22031113233 is an equidigital number, since it uses as much as digits as its factorization.

22031113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343704414.

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

Adding to 22031113233 its reverse (33231113022), we get a palindrome (55262226255).

The spelling of 22031113233 in words is "twenty-two billion, thirty-one million, one hundred thirteen thousand, two hundred thirty-three".