33224747233 has 4 divisors (see below), whose sum is σ = 34973418160. Its totient is φ = 31476076308.

The previous prime is 33224747161. The next prime is 33224747273. The reversal of 33224747233 is 33274742233.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33274742233 = 47 ⋅707973239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33224747233 is a prime.

It is a super-2 number, since 2×33224747233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33224747273) 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 3 ways as a sum of consecutive naturals, for example, 874335435 + ... + 874335472.

It is an arithmetic number, because the mean of its divisors is an integer number (8743354540).

Almost surely, 2^33224747233 is an apocalyptic number.

It is an amenable number.

33224747233 is a deficient number, since it is larger than the sum of its proper divisors (1748670927).

33224747233 is a wasteful number, since it uses less digits than its factorization.

33224747233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748670926.

The product of its digits is 508032, while the sum is 40.

Subtracting 33224747233 from its reverse (33274742233), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 33224747233 in words is "thirty-three billion, two hundred twenty-four million, seven hundred forty-seven thousand, two hundred thirty-three".