33223134021 has 32 divisors (see below), whose sum is σ = 55774918656. Its totient is φ = 17087880000.

The previous prime is 33223134011. The next prime is 33223134023. The reversal of 33223134021 is 12043132233.

It is not a de Polignac number, because 33223134021 - 2¹³ = 33223125829 is a prime.

It is a super-2 number, since 2×33223134021² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33223133982 and 33223134000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33223134023) 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 31 ways as a sum of consecutive naturals, for example, 688665 + ... + 735326.

It is an arithmetic number, because the mean of its divisors is an integer number (1742966208).

Almost surely, 2^33223134021 is an apocalyptic number.

It is an amenable number.

33223134021 is a deficient number, since it is larger than the sum of its proper divisors (22551784635).

33223134021 is a wasteful number, since it uses less digits than its factorization.

33223134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424113.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 33223134021 its reverse (12043132233), we get a palindrome (45266266254).

The spelling of 33223134021 in words is "thirty-three billion, two hundred twenty-three million, one hundred thirty-four thousand, twenty-one".