33032231232221 has 8 divisors (see below), whose sum is σ = 35573220889080. Its totient is φ = 30491248545792.

The previous prime is 33032231232179. The next prime is 33032231232239. The reversal of 33032231232221 is 12223213223033.

It can be written as a sum of positive squares in 4 ways, for example, as 134550309721 + 32897680922500 = 366811^2 + 5735650^2 .

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 33032231232221 - 2³⁴ = 33015051363037 is a prime.

It is a super-2 number, since 2×33032231232221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33032231232821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12277541 + ... + 14724213.

It is an arithmetic number, because the mean of its divisors is an integer number (4446652611135).

Almost surely, 2^{33032231232221} is an apocalyptic number.

It is an amenable number.

33032231232221 is a deficient number, since it is larger than the sum of its proper divisors (2540989656859).

33032231232221 is a wasteful number, since it uses less digits than its factorization.

33032231232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485215.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 33032231232221 its reverse (12223213223033), we get a palindrome (45255444455254).

The spelling of 33032231232221 in words is "thirty-three trillion, thirty-two billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred twenty-one".