33244144221 has 8 divisors (see below), whose sum is σ = 44329841920. Its totient is φ = 22160604672.

The previous prime is 33244144217. The next prime is 33244144223. The reversal of 33244144221 is 12244144233.

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

It is not a de Polignac number, because 33244144221 - 2² = 33244144217 is a prime.

It is a super-2 number, since 2×33244144221² (a number of 22 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 (33244144223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503245 + ... + 565458.

It is an arithmetic number, because the mean of its divisors is an integer number (5541230240).

Almost surely, 2^33244144221 is an apocalyptic number.

It is an amenable number.

33244144221 is a deficient number, since it is larger than the sum of its proper divisors (11085697699).

33244144221 is a wasteful number, since it uses less digits than its factorization.

33244144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079075.

The product of its digits is 18432, while the sum is 30.

Adding to 33244144221 its reverse (12244144233), we get a palindrome (45488288454).

The spelling of 33244144221 in words is "thirty-three billion, two hundred forty-four million, one hundred forty-four thousand, two hundred twenty-one".