2322121 has 2 divisors, whose sum is σ = 2322122. Its totient is φ = 2322120.

The previous prime is 2322119. The next prime is 2322127. The reversal of 2322121 is 1212232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 26896 = 1515^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2322121 - 2¹ = 2322119 is a prime.

Together with 2322119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2322127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161060 + 1161061.

It is an arithmetic number, because the mean of its divisors is an integer number (1161061).

2^2322121 is an apocalyptic number.

It is an amenable number.

2322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2322121 is an equidigital number, since it uses as much as digits as its factorization.

2322121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 13.

The square root of 2322121 is about 1523.8507144730. The cubic root of 2322121 is about 132.4224489823.

Adding to 2322121 its reverse (1212232), we get a palindrome (3534353).

The spelling of 2322121 in words is "two million, three hundred twenty-two thousand, one hundred twenty-one".