2213623733 has 2 divisors, whose sum is σ = 2213623734. Its totient is φ = 2213623732.

The previous prime is 2213623681. The next prime is 2213623739. The reversal of 2213623733 is 3373263122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1866844849 + 346778884 = 43207^2 + 18622^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213623733 - 2¹⁰ = 2213622709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2213623733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213623739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106811866 + 1106811867.

It is an arithmetic number, because the mean of its divisors is an integer number (1106811867).

Almost surely, 2^2213623733 is an apocalyptic number.

It is an amenable number.

2213623733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213623733 is an equidigital number, since it uses as much as digits as its factorization.

2213623733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 32.

The square root of 2213623733 is about 47049.1629362309. The cubic root of 2213623733 is about 1303.2706075360.

Adding to 2213623733 its reverse (3373263122), we get a palindrome (5586886855).

The spelling of 2213623733 in words is "two billion, two hundred thirteen million, six hundred twenty-three thousand, seven hundred thirty-three".