3232320223221 has 20 divisors (see below), whose sum is σ = 4959028495212. Its totient is φ = 2096640142848.

The previous prime is 3232320223213. The next prime is 3232320223241. The reversal of 3232320223221 is 1223220232323.

3232320223221 is a `hidden beast` number, since 3 + 232 + 3 + 202 + 2 + 3 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1234352108196 + 1997968115025 = 1111014^2 + 1413495^2 .

It is not a de Polignac number, because 3232320223221 - 2³ = 3232320223213 is a prime.

It is a super-2 number, since 2×3232320223221² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3232320223241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 539256300 + ... + 539262293.

Almost surely, 2^{3232320223221} is an apocalyptic number.

It is an amenable number.

3232320223221 is a deficient number, since it is larger than the sum of its proper divisors (1726708271991).

3232320223221 is a wasteful number, since it uses less digits than its factorization.

3232320223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078518642 (or 1078518633 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 3232320223221 its reverse (1223220232323), we get a palindrome (4455540455544).

The spelling of 3232320223221 in words is "three trillion, two hundred thirty-two billion, three hundred twenty million, two hundred twenty-three thousand, two hundred twenty-one".