2221330233 has 4 divisors (see below), whose sum is σ = 2961773648. Its totient is φ = 1480886820.

The previous prime is 2221330231. The next prime is 2221330253. The reversal of 2221330233 is 3320331222.

2221330233 is digitally balanced in base 2 and base 4, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2221330233 - 2¹ = 2221330231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221330231) 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, 370221703 + ... + 370221708.

It is an arithmetic number, because the mean of its divisors is an integer number (740443412).

Almost surely, 2^2221330233 is an apocalyptic number.

It is an amenable number.

2221330233 is a deficient number, since it is larger than the sum of its proper divisors (740443415).

2221330233 is an equidigital number, since it uses as much as digits as its factorization.

2221330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740443414.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2221330233 is about 47130.9901550986. The cubic root of 2221330233 is about 1304.7812560360.

Adding to 2221330233 its reverse (3320331222), we get a palindrome (5541661455).

The spelling of 2221330233 in words is "two billion, two hundred twenty-one million, three hundred thirty thousand, two hundred thirty-three".