2213202321 has 24 divisors (see below), whose sum is σ = 3507656256. Its totient is φ = 1333571040.

The previous prime is 2213202311. The next prime is 2213202337. The reversal of 2213202321 is 1232023122.

2213202321 is a `hidden beast` number, since 2 + 21 + 320 + 2 + 321 = 666.

It is not a de Polignac number, because 2213202321 - 2¹⁰ = 2213201297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2213202294 and 2213202303.

It is not an unprimeable number, because it can be changed into a prime (2213202311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47485 + ... + 81738.

It is an arithmetic number, because the mean of its divisors is an integer number (146152344).

Almost surely, 2^2213202321 is an apocalyptic number.

It is an amenable number.

2213202321 is a deficient number, since it is larger than the sum of its proper divisors (1294453935).

2213202321 is a wasteful number, since it uses less digits than its factorization.

2213202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129413 (or 129410 counting only the distinct ones).

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

The square root of 2213202321 is about 47044.6843012045. The cubic root of 2213202321 is about 1303.1879002056.

Adding to 2213202321 its reverse (1232023122), we get a palindrome (3445225443).

The spelling of 2213202321 in words is "two billion, two hundred thirteen million, two hundred two thousand, three hundred twenty-one".