22231032233 has 4 divisors (see below), whose sum is σ = 22831870980. Its totient is φ = 21630193488.

The previous prime is 22231032199. The next prime is 22231032337. The reversal of 22231032233 is 33223013222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9210624784 + 13020407449 = 95972^2 + 114107^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22231032233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22231032199 and 22231032208.

It is not an unprimeable number, because it can be changed into a prime (22231032133) 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, 300419318 + ... + 300419391.

It is an arithmetic number, because the mean of its divisors is an integer number (5707967745).

Almost surely, 2^22231032233 is an apocalyptic number.

It is an amenable number.

22231032233 is a deficient number, since it is larger than the sum of its proper divisors (600838747).

22231032233 is an equidigital number, since it uses as much as digits as its factorization.

22231032233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600838746.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22231032233 its reverse (33223013222), we get a palindrome (55454045455).

The spelling of 22231032233 in words is "twenty-two billion, two hundred thirty-one million, thirty-two thousand, two hundred thirty-three".