133322223 has 4 divisors (see below), whose sum is σ = 177762968. Its totient is φ = 88881480.

The previous prime is 133322213. The next prime is 133322257. The reversal of 133322223 is 322223331.

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

It is not a de Polignac number, because 133322223 - 2⁴ = 133322207 is a prime.

It is a super-3 number, since 3×133322223³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133322223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133322213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22220368 + ... + 22220373.

It is an arithmetic number, because the mean of its divisors is an integer number (44440742).

Almost surely, 2^133322223 is an apocalyptic number.

133322223 is a deficient number, since it is larger than the sum of its proper divisors (44440745).

133322223 is an equidigital number, since it uses as much as digits as its factorization.

133322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44440744.

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

The square root of 133322223 is about 11546.5242822245. The cubic root of 133322223 is about 510.8587646128.

Adding to 133322223 its reverse (322223331), we get a palindrome (455545554).

The spelling of 133322223 in words is "one hundred thirty-three million, three hundred twenty-two thousand, two hundred twenty-three".