133225230 has 16 divisors (see below), whose sum is σ = 319740624. Its totient is φ = 35526720.

The previous prime is 133225229. The next prime is 133225249. The reversal of 133225230 is 32522331.

133225230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133225197 and 133225206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220391 + ... + 2220450.

It is an arithmetic number, because the mean of its divisors is an integer number (19983789).

Almost surely, 2^133225230 is an apocalyptic number.

133225230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133225230 is an abundant number, since it is smaller than the sum of its proper divisors (186515394).

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

133225230 is a wasteful number, since it uses less digits than its factorization.

133225230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440851.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 133225230 is about 11542.3234229509. The cubic root of 133225230 is about 510.7348499249.

Adding to 133225230 its reverse (32522331), we get a palindrome (165747561).

It can be divided in two parts, 1332 and 25230, that added together give a palindrome (26562).

The spelling of 133225230 in words is "one hundred thirty-three million, two hundred twenty-five thousand, two hundred thirty".