33232001221 has 8 divisors (see below), whose sum is σ = 33464358144. Its totient is φ = 33000388800.

The previous prime is 33232001171. The next prime is 33232001249. The reversal of 33232001221 is 12210023233.

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 33232001221 - 2⁹ = 33232000709 is a prime.

It is a super-2 number, since 2×33232001221² (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 (33232001261) 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 7 ways as a sum of consecutive naturals, for example, 96391 + ... + 275236.

It is an arithmetic number, because the mean of its divisors is an integer number (4183044768).

Almost surely, 2^33232001221 is an apocalyptic number.

It is an amenable number.

33232001221 is a deficient number, since it is larger than the sum of its proper divisors (232356923).

33232001221 is a wasteful number, since it uses less digits than its factorization.

33232001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372251.

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

Adding to 33232001221 its reverse (12210023233), we get a palindrome (45442024454).

The spelling of 33232001221 in words is "thirty-three billion, two hundred thirty-two million, one thousand, two hundred twenty-one".