2209230773 has 2 divisors, whose sum is σ = 2209230774. Its totient is φ = 2209230772.

The previous prime is 2209230763. The next prime is 2209230781. The reversal of 2209230773 is 3770329022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190895249 + 18335524 = 46807^2 + 4282^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209230773 - 2²⁸ = 1940795317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209230763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104615386 + 1104615387.

It is an arithmetic number, because the mean of its divisors is an integer number (1104615387).

Almost surely, 2^2209230773 is an apocalyptic number.

It is an amenable number.

2209230773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209230773 is an equidigital number, since it uses as much as digits as its factorization.

2209230773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 2209230773 is about 47002.4549677993. The cubic root of 2209230773 is about 1302.4079184538.

Adding to 2209230773 its reverse (3770329022), we get a palindrome (5979559795).

The spelling of 2209230773 in words is "two billion, two hundred nine million, two hundred thirty thousand, seven hundred seventy-three".