133224533 has 8 divisors (see below), whose sum is σ = 149710848. Its totient is φ = 117629424.

The previous prime is 133224527. The next prime is 133224547. The reversal of 133224533 is 335422331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133224533 - 2²⁰ = 132175957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133224583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222485 + ... + 223082.

It is an arithmetic number, because the mean of its divisors is an integer number (18713856).

Almost surely, 2^133224533 is an apocalyptic number.

133224533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133224533 is a deficient number, since it is larger than the sum of its proper divisors (16486315).

133224533 is a wasteful number, since it uses less digits than its factorization.

133224533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445603.

The product of its digits is 6480, while the sum is 26.

The square root of 133224533 is about 11542.2932296836. The cubic root of 133224533 is about 510.7339592458.

Adding to 133224533 its reverse (335422331), we get a palindrome (468646864).

The spelling of 133224533 in words is "one hundred thirty-three million, two hundred twenty-four thousand, five hundred thirty-three".