223211133 has 10 divisors (see below), whose sum is σ = 333438974. Its totient is φ = 148807368.

The previous prime is 223211119. The next prime is 223211141. The reversal of 223211133 is 331112322.

It can be written as a sum of positive squares in only one way, i.e., 196616484 + 26594649 = 14022^2 + 5157^2 .

It is not a de Polignac number, because 223211133 - 2⁴ = 223211117 is a prime.

It is a super-3 number, since 3×223211133³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211533) 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 9 ways as a sum of consecutive naturals, for example, 1377766 + ... + 1377927.

Almost surely, 2^223211133 is an apocalyptic number.

It is an amenable number.

223211133 is a deficient number, since it is larger than the sum of its proper divisors (110227841).

223211133 is an equidigital number, since it uses as much as digits as its factorization.

223211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755705 (or 2755696 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 223211133 is about 14940.2521063066. The cubic root of 223211133 is about 606.6040198497.

Adding to 223211133 its reverse (331112322), we get a palindrome (554323455).

The spelling of 223211133 in words is "two hundred twenty-three million, two hundred eleven thousand, one hundred thirty-three".