33032220042661 has 4 divisors (see below), whose sum is σ = 37751108620192. Its totient is φ = 28313331465132.

The previous prime is 33032220042617. The next prime is 33032220042671. The reversal of 33032220042661 is 16624002223033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33032220042661 - 2²⁹ = 33031683171749 is a prime.

It is a super-2 number, since 2×33032220042661² (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 (33032220042671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359444288755 + ... + 2359444288768.

It is an arithmetic number, because the mean of its divisors is an integer number (9437777155048).

Almost surely, 2^{33032220042661} is an apocalyptic number.

It is an amenable number.

33032220042661 is a deficient number, since it is larger than the sum of its proper divisors (4718888577531).

33032220042661 is an equidigital number, since it uses as much as digits as its factorization.

33032220042661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718888577530.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 33032220042661 its reverse (16624002223033), we get a palindrome (49656222265694).

The spelling of 33032220042661 in words is "thirty-three trillion, thirty-two billion, two hundred twenty million, forty-two thousand, six hundred sixty-one".