2221322333 has 2 divisors, whose sum is σ = 2221322334. Its totient is φ = 2221322332.

The previous prime is 2221322321. The next prime is 2221322339. The reversal of 2221322333 is 3332231222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1655025124 + 566297209 = 40682^2 + 23797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221322333 - 2¹⁰ = 2221321309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221322299 and 2221322308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221322339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110661166 + 1110661167.

It is an arithmetic number, because the mean of its divisors is an integer number (1110661167).

Almost surely, 2^2221322333 is an apocalyptic number.

It is an amenable number.

2221322333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221322333 is an equidigital number, since it uses as much as digits as its factorization.

2221322333 is an evil number, because the sum of its binary digits is even.

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

The square root of 2221322333 is about 47130.9063460486. The cubic root of 2221322333 is about 1304.7797092475.

Adding to 2221322333 its reverse (3332231222), we get a palindrome (5553553555).

The spelling of 2221322333 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred thirty-three".