11232220233 has 32 divisors (see below), whose sum is σ = 16374951936. Its totient is φ = 6807241728.

The previous prime is 11232220217. The next prime is 11232220261. The reversal of 11232220233 is 33202223211.

It is a happy number.

11232220233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11232220233 - 2⁴ = 11232220217 is a prime.

It is a super-2 number, since 2×11232220233² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11232220213) 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 31 ways as a sum of consecutive naturals, for example, 670285 + ... + 686837.

It is an arithmetic number, because the mean of its divisors is an integer number (511717248).

Almost surely, 2^11232220233 is an apocalyptic number.

11232220233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11232220233 is a deficient number, since it is larger than the sum of its proper divisors (5142731703).

11232220233 is a wasteful number, since it uses less digits than its factorization.

11232220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11232220233 its reverse (33202223211), we get a palindrome (44434443444).

The spelling of 11232220233 in words is "eleven billion, two hundred thirty-two million, two hundred twenty thousand, two hundred thirty-three".