133224330 has 32 divisors (see below), whose sum is σ = 321537600. Its totient is φ = 35326592.

The previous prime is 133224323. The next prime is 133224361. The reversal of 133224330 is 33422331.

It is a junction number, because it is equal to n+sod(n) for n = 133224297 and 133224306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7035 + ... + 17774.

It is an arithmetic number, because the mean of its divisors is an integer number (10048050).

Almost surely, 2^133224330 is an apocalyptic number.

133224330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133224330 is an abundant number, since it is smaller than the sum of its proper divisors (188313270).

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

133224330 is a wasteful number, since it uses less digits than its factorization.

133224330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24998.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133224330 is about 11542.2844359338. The cubic root of 133224330 is about 510.7336998365.

Adding to 133224330 its reverse (33422331), we get a palindrome (166646661).

The spelling of 133224330 in words is "one hundred thirty-three million, two hundred twenty-four thousand, three hundred thirty".