33144404230221 has 16 divisors (see below), whose sum is σ = 44632384724928. Its totient is φ = 21876369120000.

The previous prime is 33144404230219. The next prime is 33144404230291. The reversal of 33144404230221 is 12203240444133.

It is not a de Polignac number, because 33144404230221 - 2¹ = 33144404230219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33144404230291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3106821 + ... + 8714421.

It is an arithmetic number, because the mean of its divisors is an integer number (2789524045308).

Almost surely, 2^{33144404230221} is an apocalyptic number.

It is an amenable number.

33144404230221 is a deficient number, since it is larger than the sum of its proper divisors (11487980494707).

33144404230221 is a wasteful number, since it uses less digits than its factorization.

33144404230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627212.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 33144404230221 its reverse (12203240444133), we get a palindrome (45347644674354).

The spelling of 33144404230221 in words is "thirty-three trillion, one hundred forty-four billion, four hundred four million, two hundred thirty thousand, two hundred twenty-one".