3223132211221 has 8 divisors (see below), whose sum is σ = 3476480545944. Its totient is φ = 2970557460480.

The previous prime is 3223132211209. The next prime is 3223132211251. The reversal of 3223132211221 is 1221122313223.

It can be written as a sum of positive squares in 4 ways, for example, as 67130219025 + 3156001992196 = 259095^2 + 1776514^2 .

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 3223132211221 - 2²¹ = 3223130114069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223132211251) 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, 193387336 + ... + 193404001.

It is an arithmetic number, because the mean of its divisors is an integer number (434560068243).

Almost surely, 2^{3223132211221} is an apocalyptic number.

It is an amenable number.

3223132211221 is a deficient number, since it is larger than the sum of its proper divisors (253348334723).

3223132211221 is a wasteful number, since it uses less digits than its factorization.

3223132211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386791991.

The product of its digits is 1728, while the sum is 25.

Adding to 3223132211221 its reverse (1221122313223), we get a palindrome (4444254524444).

The spelling of 3223132211221 in words is "three trillion, two hundred twenty-three billion, one hundred thirty-two million, two hundred eleven thousand, two hundred twenty-one".