133221302 has 8 divisors (see below), whose sum is σ = 206722800. Its totient is φ = 64313704.

The previous prime is 133221301. The next prime is 133221307. The reversal of 133221302 is 203122331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133221301) 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, 1148402 + ... + 1148517.

It is an arithmetic number, because the mean of its divisors is an integer number (25840350).

Almost surely, 2^133221302 is an apocalyptic number.

133221302 is a deficient number, since it is larger than the sum of its proper divisors (73501498).

133221302 is a wasteful number, since it uses less digits than its factorization.

133221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296950.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133221302 is about 11542.1532653141. The cubic root of 133221302 is about 510.7298303897.

Adding to 133221302 its reverse (203122331), we get a palindrome (336343633).

The spelling of 133221302 in words is "one hundred thirty-three million, two hundred twenty-one thousand, three hundred two".