2221210233 has 72 divisors (see below), whose sum is σ = 3720270528. Its totient is φ = 1265544000.

The previous prime is 2221210217. The next prime is 2221210237. The reversal of 2221210233 is 3320121222.

2221210233 is a `hidden beast` number, since 2 + 221 + 210 + 233 = 666.

2221210233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221210233 - 2⁴ = 2221210217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221210237) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3519828 + ... + 3520458.

It is an arithmetic number, because the mean of its divisors is an integer number (51670424).

Almost surely, 2^2221210233 is an apocalyptic number.

It is an amenable number.

2221210233 is a deficient number, since it is larger than the sum of its proper divisors (1499060295).

2221210233 is a wasteful number, since it uses less digits than its factorization.

2221210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2221210233 is about 47129.7170901757. The cubic root of 2221210233 is about 1304.7577601193.

Adding to 2221210233 its reverse (3320121222), we get a palindrome (5541331455).

The spelling of 2221210233 in words is "two billion, two hundred twenty-one million, two hundred ten thousand, two hundred thirty-three".