2221322133 has 8 divisors (see below), whose sum is σ = 2970712096. Its totient is φ = 1476406800.

The previous prime is 2221322071. The next prime is 2221322203. The reversal of 2221322133 is 3312231222.

It is a happy number.

2221322133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221322133 - 2¹⁷ = 2221191061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221322333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117498 + ... + 1119483.

It is an arithmetic number, because the mean of its divisors is an integer number (371339012).

Almost surely, 2^2221322133 is an apocalyptic number.

It is an amenable number.

2221322133 is a deficient number, since it is larger than the sum of its proper divisors (749389963).

2221322133 is a wasteful number, since it uses less digits than its factorization.

2221322133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237315.

The product of its digits is 864, while the sum is 21.

The square root of 2221322133 is about 47130.9042242985. The cubic root of 2221322133 is about 1304.7796700882.

Adding to 2221322133 its reverse (3312231222), we get a palindrome (5533553355).

The spelling of 2221322133 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty-three".