2213021243 has 2 divisors, whose sum is σ = 2213021244. Its totient is φ = 2213021242.

The previous prime is 2213021203. The next prime is 2213021269. The reversal of 2213021243 is 3421203122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2213021243 - 2²⁸ = 1944585787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2213021203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106510621 + 1106510622.

It is an arithmetic number, because the mean of its divisors is an integer number (1106510622).

Almost surely, 2^2213021243 is an apocalyptic number.

2213021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213021243 is an equidigital number, since it uses as much as digits as its factorization.

2213021243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2213021243 is about 47042.7597298458. The cubic root of 2213021243 is about 1303.1523581779.

Adding to 2213021243 its reverse (3421203122), we get a palindrome (5634224365).

The spelling of 2213021243 in words is "two billion, two hundred thirteen million, twenty-one thousand, two hundred forty-three".