2231233 has 4 divisors (see below), whose sum is σ = 2362500. Its totient is φ = 2099968.

The previous prime is 2231219. The next prime is 2231269. The reversal of 2231233 is 3321322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3321322 = 2 ⋅1660661.

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 831744 = 1183^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231233 - 2⁹ = 2230721 is a prime.

It is a super-3 number, since 3×2231233³ = 33323915789123779011, which contains 333 as substring.

It is a Duffinian number.

2231233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2231293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65608 + ... + 65641.

It is an arithmetic number, because the mean of its divisors is an integer number (590625).

2^2231233 is an apocalyptic number.

It is an amenable number.

2231233 is a deficient number, since it is larger than the sum of its proper divisors (131267).

2231233 is a wasteful number, since it uses less digits than its factorization.

2231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131266.

The product of its digits is 216, while the sum is 16.

The square root of 2231233 is about 1493.7312341917. The cubic root of 2231233 is about 130.6717301881.

Adding to 2231233 its reverse (3321322), we get a palindrome (5552555).

The spelling of 2231233 in words is "two million, two hundred thirty-one thousand, two hundred thirty-three".