133224208 has 40 divisors (see below), whose sum is σ = 278801600. Its totient is φ = 61305984.

The previous prime is 133224199. The next prime is 133224209. The reversal of 133224208 is 802422331.

It is not an unprimeable number, because it can be changed into a prime (133224209) 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, 90583 + ... + 92041.

It is an arithmetic number, because the mean of its divisors is an integer number (6970040).

Almost surely, 2^133224208 is an apocalyptic number.

It is an amenable number.

133224208 is an abundant number, since it is smaller than the sum of its proper divisors (145577392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133224208 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (133224207) it forms an eRAP, since the sums of their prime factors are consecutive (1918 and 1919).

133224208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 133224208 is about 11542.2791510169. The cubic root of 133224208 is about 510.7335439352.

Adding to 133224208 its reverse (802422331), we get a palindrome (935646539).

The spelling of 133224208 in words is "one hundred thirty-three million, two hundred twenty-four thousand, two hundred eight".