2212361 has 2 divisors, whose sum is σ = 2212362. Its totient is φ = 2212360.

The previous prime is 2212351. The next prime is 2212387. The reversal of 2212361 is 1632122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 866761 = 1160^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212361 - 2⁶ = 2212297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212321) 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, 1106180 + 1106181.

It is an arithmetic number, because the mean of its divisors is an integer number (1106181).

2^2212361 is an apocalyptic number.

It is an amenable number.

2212361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212361 is an equidigital number, since it uses as much as digits as its factorization.

2212361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 2212361 is about 1487.4007529916. The cubic root of 2212361 is about 130.3022749119.

Adding to 2212361 its reverse (1632122), we get a palindrome (3844483).

The spelling of 2212361 in words is "two million, two hundred twelve thousand, three hundred sixty-one".