2321221233 has 16 divisors (see below), whose sum is σ = 3181519296. Its totient is φ = 1504278720.

The previous prime is 2321221183. The next prime is 2321221267. The reversal of 2321221233 is 3321221232.

It is a happy number.

It is not a de Polignac number, because 2321221233 - 2⁶ = 2321221169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321221283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120103 + ... + 138083.

It is an arithmetic number, because the mean of its divisors is an integer number (198844956).

Almost surely, 2^2321221233 is an apocalyptic number.

It is an amenable number.

2321221233 is a deficient number, since it is larger than the sum of its proper divisors (860298063).

2321221233 is a wasteful number, since it uses less digits than its factorization.

2321221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184.

The product of its digits is 864, while the sum is 21.

The square root of 2321221233 is about 48179.0538823668. The cubic root of 2321221233 is about 1324.0534324980.

Adding to 2321221233 its reverse (3321221232), we get a palindrome (5642442465).

Subtracting 2321221233 from its reverse (3321221232), we obtain a palindrome (999999999).

The spelling of 2321221233 in words is "two billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred thirty-three".