133224232 has 8 divisors (see below), whose sum is σ = 249795450. Its totient is φ = 66612112.

The previous prime is 133224227. The next prime is 133224239. The reversal of 133224232 is 232422331.

It can be written as a sum of positive squares in only one way, i.e., 125305636 + 7918596 = 11194^2 + 2814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (133224239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8326507 + ... + 8326522.

Almost surely, 2^133224232 is an apocalyptic number.

It is an amenable number.

133224232 is a deficient number, since it is larger than the sum of its proper divisors (116571218).

133224232 is a wasteful number, since it uses less digits than its factorization.

133224232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16653035 (or 16653031 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 133224232 is about 11542.2801906729. The cubic root of 133224232 is about 510.7335746043.

Adding to 133224232 its reverse (232422331), we get a palindrome (365646563).

The spelling of 133224232 in words is "one hundred thirty-three million, two hundred twenty-four thousand, two hundred thirty-two".