3233222221 has 8 divisors (see below), whose sum is σ = 3369926144. Its totient is φ = 3098543760.

The previous prime is 3233222219. The next prime is 3233222273. The reversal of 3233222221 is 1222223323.

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

It is a cyclic number.

It is not a de Polignac number, because 3233222221 - 2¹ = 3233222219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3233222192 and 3233222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3233222521) 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, 503106 + ... + 509491.

It is an arithmetic number, because the mean of its divisors is an integer number (421240768).

Almost surely, 2^3233222221 is an apocalyptic number.

3233222221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3233222221 is a deficient number, since it is larger than the sum of its proper divisors (136703923).

3233222221 is a wasteful number, since it uses less digits than its factorization.

3233222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012731.

The product of its digits is 1728, while the sum is 22.

The square root of 3233222221 is about 56861.4299943292. The cubic root of 3233222221 is about 1478.6947069632.

Adding to 3233222221 its reverse (1222223323), we get a palindrome (4455445544).

The spelling of 3233222221 in words is "three billion, two hundred thirty-three million, two hundred twenty-two thousand, two hundred twenty-one".