133312422 has 8 divisors (see below), whose sum is σ = 266624856. Its totient is φ = 44437472.

The previous prime is 133312373. The next prime is 133312423. The reversal of 133312422 is 224213331.

133312422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

133312422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11109363 + ... + 11109374.

It is an arithmetic number, because the mean of its divisors is an integer number (33328107).

Almost surely, 2^133312422 is an apocalyptic number.

133312422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133312422 is a wasteful number, since it uses less digits than its factorization.

133312422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22218742.

The product of its digits is 864, while the sum is 21.

The square root of 133312422 is about 11546.0998609920. The cubic root of 133312422 is about 510.8462459461.

Adding to 133312422 its reverse (224213331), we get a palindrome (357525753).

Subtracting 133312422 from its reverse (224213331), we obtain a palindrome (90900909).

It can be divided in two parts, 13331 and 2422, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 133312422 in words is "one hundred thirty-three million, three hundred twelve thousand, four hundred twenty-two".