33221001304 has 16 divisors (see below), whose sum is σ = 62615502720. Its totient is φ = 16523533920.

The previous prime is 33221001271. The next prime is 33221001313. The reversal of 33221001304 is 40310012233.

It is a super-2 number, since 2×33221001304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10869219 + ... + 10872274.

It is an arithmetic number, because the mean of its divisors is an integer number (3913468920).

Almost surely, 2^33221001304 is an apocalyptic number.

It is an amenable number.

33221001304 is a deficient number, since it is larger than the sum of its proper divisors (29394501416).

33221001304 is a wasteful number, since it uses less digits than its factorization.

33221001304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21741690 (or 21741686 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33221001304 its reverse (40310012233), we get a palindrome (73531013537).

The spelling of 33221001304 in words is "thirty-three billion, two hundred twenty-one million, one thousand, three hundred four".