133223402 has 16 divisors (see below), whose sum is σ = 226534560. Its totient is φ = 58251312.

The previous prime is 133223353. The next prime is 133223411. The reversal of 133223402 is 204322331.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 134348 + ... + 135335.

It is an arithmetic number, because the mean of its divisors is an integer number (14158410).

Almost surely, 2^133223402 is an apocalyptic number.

133223402 is a deficient number, since it is larger than the sum of its proper divisors (93311158).

133223402 is a wasteful number, since it uses less digits than its factorization.

133223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269717.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133223402 is about 11542.2442358495. The cubic root of 133223402 is about 510.7325139621.

Adding to 133223402 its reverse (204322331), we get a palindrome (337545733).

The spelling of 133223402 in words is "one hundred thirty-three million, two hundred twenty-three thousand, four hundred two".