33212022223021 has 8 divisors (see below), whose sum is σ = 33276188742264. Its totient is φ = 33147894190080.

The previous prime is 33212022223019. The next prime is 33212022223091. The reversal of 33212022223021 is 12032222021233.

It can be written as a sum of positive squares in 4 ways, for example, as 21185206302121 + 12026815920900 = 4602739^2 + 3467970^2 .

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 33212022223021 - 2¹ = 33212022223019 is a prime.

It is a super-2 number, since 2×33212022223021² (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 (33212022223091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7893696 + ... + 11346121.

It is an arithmetic number, because the mean of its divisors is an integer number (4159523592783).

Almost surely, 2^{33212022223021} is an apocalyptic number.

It is an amenable number.

33212022223021 is a deficient number, since it is larger than the sum of its proper divisors (64166519243).

33212022223021 is a wasteful number, since it uses less digits than its factorization.

33212022223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19243151.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33212022223021 its reverse (12032222021233), we get a palindrome (45244244244254).

The spelling of 33212022223021 in words is "thirty-three trillion, two hundred twelve billion, twenty-two million, two hundred twenty-three thousand, twenty-one".