33224042013 has 4 divisors (see below), whose sum is σ = 44298722688. Its totient is φ = 22149361340.

The previous prime is 33224041969. The next prime is 33224042051. The reversal of 33224042013 is 31024042233.

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.

It is a cyclic number.

It is not a de Polignac number, because 33224042013 - 2¹⁶ = 33223976477 is a prime.

It is a super-2 number, since 2×33224042013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224042513) 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, 5537340333 + ... + 5537340338.

It is an arithmetic number, because the mean of its divisors is an integer number (11074680672).

Almost surely, 2^33224042013 is an apocalyptic number.

It is an amenable number.

33224042013 is a deficient number, since it is larger than the sum of its proper divisors (11074680675).

33224042013 is a wasteful number, since it uses less digits than its factorization.

33224042013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074680674.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33224042013 its reverse (31024042233), we get a palindrome (64248084246).

The spelling of 33224042013 in words is "thirty-three billion, two hundred twenty-four million, forty-two thousand, thirteen".