133225446 has 8 divisors (see below), whose sum is σ = 266450904. Its totient is φ = 44408480.

The previous prime is 133225429. The next prime is 133225501. The reversal of 133225446 is 644522331.

133225446 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.

133225446 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11102115 + ... + 11102126.

It is an arithmetic number, because the mean of its divisors is an integer number (33306363).

Almost surely, 2^133225446 is an apocalyptic number.

133225446 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.

133225446 is a wasteful number, since it uses less digits than its factorization.

133225446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22204246.

The product of its digits is 17280, while the sum is 30.

The square root of 133225446 is about 11542.3327798154. The cubic root of 133225446 is about 510.7351259454.

Adding to 133225446 its reverse (644522331), we get a palindrome (777747777).

The spelling of 133225446 in words is "one hundred thirty-three million, two hundred twenty-five thousand, four hundred forty-six".