33224104405 has 4 divisors (see below), whose sum is σ = 39868925292. Its totient is φ = 26579283520.

The previous prime is 33224104351. The next prime is 33224104409. The reversal of 33224104405 is 50440142233.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13298241124 + 19925863281 = 115318^2 + 141159^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33224104405 is a prime.

It is a super-2 number, since 2×33224104405² (a number of 22 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 (33224104409) 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, 3322410436 + ... + 3322410445.

It is an arithmetic number, because the mean of its divisors is an integer number (9967231323).

Almost surely, 2^33224104405 is an apocalyptic number.

It is an amenable number.

33224104405 is a deficient number, since it is larger than the sum of its proper divisors (6644820887).

33224104405 is an equidigital number, since it uses as much as digits as its factorization.

33224104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644820886.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 33224104405 its reverse (50440142233), we get a palindrome (83664246638).

The spelling of 33224104405 in words is "thirty-three billion, two hundred twenty-four million, one hundred four thousand, four hundred five".