2201321233 has 4 divisors (see below), whose sum is σ = 2210455588. Its totient is φ = 2192186880.

The previous prime is 2201321219. The next prime is 2201321251. The reversal of 2201321233 is 3321231022.

2201321233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3321231022 = 2 ⋅1660615511.

It can be written as a sum of positive squares in 2 ways, for example, as 1234608769 + 966712464 = 35137^2 + 31092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201321233 - 2²¹ = 2199224081 is a prime.

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 2201321233.

It is not an unprimeable number, because it can be changed into a prime (2201321263) 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, 4566816 + ... + 4567297.

It is an arithmetic number, because the mean of its divisors is an integer number (552613897).

Almost surely, 2^2201321233 is an apocalyptic number.

It is an amenable number.

2201321233 is a deficient number, since it is larger than the sum of its proper divisors (9134355).

2201321233 is an equidigital number, since it uses as much as digits as its factorization.

2201321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134354.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2201321233 is about 46918.2398753406. The cubic root of 2201321233 is about 1300.8517560114.

Adding to 2201321233 its reverse (3321231022), we get a palindrome (5522552255).

The spelling of 2201321233 in words is "two billion, two hundred one million, three hundred twenty-one thousand, two hundred thirty-three".