22222331233 has 4 divisors (see below), whose sum is σ = 22222690308. Its totient is φ = 22221972160.

The previous prime is 22222331213. The next prime is 22222331237. The reversal of 22222331233 is 33213322222.

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 8909094544 + 13313236689 = 94388^2 + 115383^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222331233 - 2³³ = 13632396641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22222331198 and 22222331207.

It is not an unprimeable number, because it can be changed into a prime (22222331237) 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, 60316 + ... + 219277.

It is an arithmetic number, because the mean of its divisors is an integer number (5555672577).

Almost surely, 2^22222331233 is an apocalyptic number.

It is an amenable number.

22222331233 is a deficient number, since it is larger than the sum of its proper divisors (359075).

22222331233 is an equidigital number, since it uses as much as digits as its factorization.

22222331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359074.

The product of its digits is 5184, while the sum is 25.

Adding to 22222331233 its reverse (33213322222), we get a palindrome (55435653455).

The spelling of 22222331233 in words is "twenty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred thirty-three".