222041321 has 2 divisors, whose sum is σ = 222041322. Its totient is φ = 222041320.

The previous prime is 222041317. The next prime is 222041341. The reversal of 222041321 is 123140222.

222041321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187690000 + 34351321 = 13700^2 + 5861^2 .

It is a cyclic number.

It is not a de Polignac number, because 222041321 - 2² = 222041317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222041321.

It is not a weakly prime, because it can be changed into another prime (222041341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111020660 + 111020661.

It is an arithmetic number, because the mean of its divisors is an integer number (111020661).

Almost surely, 2^222041321 is an apocalyptic number.

It is an amenable number.

222041321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222041321 is an equidigital number, since it uses as much as digits as its factorization.

222041321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222041321 is about 14901.0510032011. The cubic root of 222041321 is about 605.5424599898.

Adding to 222041321 its reverse (123140222), we get a palindrome (345181543).

The spelling of 222041321 in words is "two hundred twenty-two million, forty-one thousand, three hundred twenty-one".