2231222333 has 4 divisors (see below), whose sum is σ = 2239162908. Its totient is φ = 2223281760.

The previous prime is 2231222311. The next prime is 2231222339. The reversal of 2231222333 is 3332221322.

2231222333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 489161689 + 1742060644 = 22117^2 + 41738^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231222333 - 2¹⁶ = 2231156797 is a prime.

It is a super-3 number, since 3×2231222333³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231222299 and 2231222308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231222339) 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, 3969866 + ... + 3970427.

It is an arithmetic number, because the mean of its divisors is an integer number (559790727).

Almost surely, 2^2231222333 is an apocalyptic number.

It is an amenable number.

2231222333 is a deficient number, since it is larger than the sum of its proper divisors (7940575).

2231222333 is an equidigital number, since it uses as much as digits as its factorization.

2231222333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940574.

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

The square root of 2231222333 is about 47235.8162097364. The cubic root of 2231222333 is about 1306.7152195085.

Adding to 2231222333 its reverse (3332221322), we get a palindrome (5563443655).

The spelling of 2231222333 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-three".