133223302 has 4 divisors (see below), whose sum is σ = 199834956. Its totient is φ = 66611650.

The previous prime is 133223263. The next prime is 133223317. The reversal of 133223302 is 203322331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133223302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33305824 + ... + 33305827.

It is an arithmetic number, because the mean of its divisors is an integer number (49958739).

Almost surely, 2^133223302 is an apocalyptic number.

133223302 is a deficient number, since it is larger than the sum of its proper divisors (66611654).

133223302 is an equidigital number, since it uses as much as digits as its factorization.

133223302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66611653.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133223302 is about 11542.2399039355. The cubic root of 133223302 is about 510.7323861735.

Adding to 133223302 its reverse (203322331), we get a palindrome (336545633).

The spelling of 133223302 in words is "one hundred thirty-three million, two hundred twenty-three thousand, three hundred two".