2221130233 has 4 divisors (see below), whose sum is σ = 2538434560. Its totient is φ = 1903825908.

The previous prime is 2221130209. The next prime is 2221130237. The reversal of 2221130233 is 3320311222.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221130233 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 2221130233.

It is not an unprimeable number, because it can be changed into a prime (2221130237) 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, 158652153 + ... + 158652166.

It is an arithmetic number, because the mean of its divisors is an integer number (634608640).

Almost surely, 2^2221130233 is an apocalyptic number.

It is an amenable number.

2221130233 is a deficient number, since it is larger than the sum of its proper divisors (317304327).

2221130233 is an equidigital number, since it uses as much as digits as its factorization.

2221130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317304326.

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

The square root of 2221130233 is about 47128.8683611224. The cubic root of 2221130233 is about 1304.7420957047.

Adding to 2221130233 its reverse (3320311222), we get a palindrome (5541441455).

The spelling of 2221130233 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, two hundred thirty-three".