2201312233 has 4 divisors (see below), whose sum is σ = 2201429380. Its totient is φ = 2201195088.

The previous prime is 2201312231. The next prime is 2201312237. The reversal of 2201312233 is 3322131022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2190988864 + 10323369 = 46808^2 + 3213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201312233 - 2¹ = 2201312231 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 2201312233.

It is not an unprimeable number, because it can be changed into a prime (2201312231) 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 3 ways as a sum of consecutive naturals, for example, 23310 + ... + 70327.

It is an arithmetic number, because the mean of its divisors is an integer number (550357345).

Almost surely, 2^2201312233 is an apocalyptic number.

It is an amenable number.

2201312233 is a deficient number, since it is larger than the sum of its proper divisors (117147).

2201312233 is an equidigital number, since it uses as much as digits as its factorization.

2201312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117146.

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

The square root of 2201312233 is about 46918.1439637162. The cubic root of 2201312233 is about 1300.8499831849.

Adding to 2201312233 its reverse (3322131022), we get a palindrome (5523443255).

The spelling of 2201312233 in words is "two billion, two hundred one million, three hundred twelve thousand, two hundred thirty-three".