22122132233 has 4 divisors (see below), whose sum is σ = 22127223300. Its totient is φ = 22117041168.

The previous prime is 22122132163. The next prime is 22122132371. The reversal of 22122132233 is 33223122122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33223122122 = 2 ⋅16611561061.

It can be written as a sum of positive squares in 2 ways, for example, as 3781389049 + 18340743184 = 61493^2 + 135428^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122132233 - 2²⁰ = 22121083657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22122132199 and 22122132208.

It is not an unprimeable number, because it can be changed into a prime (22122131233) 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, 2539010 + ... + 2547707.

It is an arithmetic number, because the mean of its divisors is an integer number (5531805825).

Almost surely, 2^22122132233 is an apocalyptic number.

It is an amenable number.

22122132233 is a deficient number, since it is larger than the sum of its proper divisors (5091067).

22122132233 is an equidigital number, since it uses as much as digits as its factorization.

22122132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091066.

The product of its digits is 1728, while the sum is 23.

Adding to 22122132233 its reverse (33223122122), we get a palindrome (55345254355).

The spelling of 22122132233 in words is "twenty-two billion, one hundred twenty-two million, one hundred thirty-two thousand, two hundred thirty-three".