2312201 has 2 divisors, whose sum is σ = 2312202. Its totient is φ = 2312200.

The previous prime is 2312179. The next prime is 2312203. The reversal of 2312201 is 1022132.

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., 2190400 + 121801 = 1480^2 + 349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312201 - 2⁶ = 2312137 is a prime.

Together with 2312203, 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 (2312203) 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, 1156100 + 1156101.

It is an arithmetic number, because the mean of its divisors is an integer number (1156101).

2^2312201 is an apocalyptic number.

It is an amenable number.

2312201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312201 is an equidigital number, since it uses as much as digits as its factorization.

2312201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2312201 is about 1520.5923188021. The cubic root of 2312201 is about 132.2336121765.

Adding to 2312201 its reverse (1022132), we get a palindrome (3334333).

The spelling of 2312201 in words is "two million, three hundred twelve thousand, two hundred one".