33022434221 has 6 divisors (see below), whose sum is σ = 38413852110. Its totient is φ = 28304943576.

The previous prime is 33022434173. The next prime is 33022434293. The reversal of 33022434221 is 12243422033.

It can be written as a sum of positive squares in only one way, i.e., 27055644196 + 5966790025 = 164486^2 + 77245^2 .

It is not a de Polignac number, because 33022434221 - 2⁶ = 33022434157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33022434121) 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 5 ways as a sum of consecutive naturals, for example, 336963566 + ... + 336963663.

It is an arithmetic number, because the mean of its divisors is an integer number (6402308685).

Almost surely, 2^33022434221 is an apocalyptic number.

It is an amenable number.

33022434221 is a deficient number, since it is larger than the sum of its proper divisors (5391417889).

33022434221 is an equidigital number, since it uses as much as digits as its factorization.

33022434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673927243 (or 673927236 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33022434221 its reverse (12243422033), we get a palindrome (45265856254).

The spelling of 33022434221 in words is "thirty-three billion, twenty-two million, four hundred thirty-four thousand, two hundred twenty-one".