2122204361 has 2 divisors, whose sum is σ = 2122204362. Its totient is φ = 2122204360.

The previous prime is 2122204349. The next prime is 2122204363. The reversal of 2122204361 is 1634022212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094617225 + 1027587136 = 33085^2 + 32056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122204361 - 2¹⁸ = 2121942217 is a prime.

Together with 2122204363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2122204363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061102180 + 1061102181.

It is an arithmetic number, because the mean of its divisors is an integer number (1061102181).

Almost surely, 2^2122204361 is an apocalyptic number.

It is an amenable number.

2122204361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122204361 is an equidigital number, since it uses as much as digits as its factorization.

2122204361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2122204361 is about 46067.3893443073. The cubic root of 2122204361 is about 1285.0767537816.

Adding to 2122204361 its reverse (1634022212), we get a palindrome (3756226573).

The spelling of 2122204361 in words is "two billion, one hundred twenty-two million, two hundred four thousand, three hundred sixty-one".