2215773193 has 2 divisors, whose sum is σ = 2215773194. Its totient is φ = 2215773192.

The previous prime is 2215773071. The next prime is 2215773223. The reversal of 2215773193 is 3913775122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2215773184 + 9 = 47072^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215773193 - 2²¹ = 2213676041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215771193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107886596 + 1107886597.

It is an arithmetic number, because the mean of its divisors is an integer number (1107886597).

Almost surely, 2^2215773193 is an apocalyptic number.

It is an amenable number.

2215773193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215773193 is an equidigital number, since it uses as much as digits as its factorization.

2215773193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 2215773193 is about 47072.0000955982. Note that the first 4 decimals coincide. The cubic root of 2215773193 is about 1303.6923024816.

The spelling of 2215773193 in words is "two billion, two hundred fifteen million, seven hundred seventy-three thousand, one hundred ninety-three".