33212244023 has 4 divisors (see below), whose sum is σ = 37956850320. Its totient is φ = 28467637728.

The previous prime is 33212244019. The next prime is 33212244047. The reversal of 33212244023 is 32044221233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33212244023 - 2² = 33212244019 is a prime.

It is a super-2 number, since 2×33212244023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33212243983 and 33212244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212244073) 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, 2372303138 + ... + 2372303151.

It is an arithmetic number, because the mean of its divisors is an integer number (9489212580).

Almost surely, 2^33212244023 is an apocalyptic number.

33212244023 is a deficient number, since it is larger than the sum of its proper divisors (4744606297).

33212244023 is an equidigital number, since it uses as much as digits as its factorization.

33212244023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744606296.

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

Adding to 33212244023 its reverse (32044221233), we get a palindrome (65256465256).

The spelling of 33212244023 in words is "thirty-three billion, two hundred twelve million, two hundred forty-four thousand, twenty-three".