2206189723 has 2 divisors, whose sum is σ = 2206189724. Its totient is φ = 2206189722.

The previous prime is 2206189697. The next prime is 2206189751. The reversal of 2206189723 is 3279816022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2206189723 - 2²⁹ = 1669318811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2206189753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103094861 + 1103094862.

It is an arithmetic number, because the mean of its divisors is an integer number (1103094862).

Almost surely, 2^2206189723 is an apocalyptic number.

2206189723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206189723 is an equidigital number, since it uses as much as digits as its factorization.

2206189723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2206189723 is about 46970.0939215582. The cubic root of 2206189723 is about 1301.8100472609.

The spelling of 2206189723 in words is "two billion, two hundred six million, one hundred eighty-nine thousand, seven hundred twenty-three".