2213300021 has 2 divisors, whose sum is σ = 2213300022. Its totient is φ = 2213300020.

The previous prime is 2213299997. The next prime is 2213300053. The reversal of 2213300021 is 1200033122.

It is a happy number.

2213300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1186802500 + 1026497521 = 34450^2 + 32039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213300021 - 2¹⁴ = 2213283637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2213299969 and 2213300005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213300071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106650010 + 1106650011.

It is an arithmetic number, because the mean of its divisors is an integer number (1106650011).

Almost surely, 2^2213300021 is an apocalyptic number.

It is an amenable number.

2213300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213300021 is an equidigital number, since it uses as much as digits as its factorization.

2213300021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2213300021 is about 47045.7226642338. The cubic root of 2213300021 is about 1303.2070759768.

Adding to 2213300021 its reverse (1200033122), we get a palindrome (3413333143).

The spelling of 2213300021 in words is "two billion, two hundred thirteen million, three hundred thousand, twenty-one".