222540337 has 2 divisors, whose sum is σ = 222540338. Its totient is φ = 222540336.

The previous prime is 222540323. The next prime is 222540391. The reversal of 222540337 is 733045222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219158416 + 3381921 = 14804^2 + 1839^2 .

It is a cyclic number.

It is not a de Polignac number, because 222540337 - 2⁷ = 222540209 is a prime.

It is not a weakly prime, because it can be changed into another prime (222540037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111270168 + 111270169.

It is an arithmetic number, because the mean of its divisors is an integer number (111270169).

Almost surely, 2^222540337 is an apocalyptic number.

It is an amenable number.

222540337 is a deficient number, since it is larger than the sum of its proper divisors (1).

222540337 is an equidigital number, since it uses as much as digits as its factorization.

222540337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 222540337 is about 14917.7859282133. The cubic root of 222540337 is about 605.9957529284.

Adding to 222540337 its reverse (733045222), we get a palindrome (955585559).

The spelling of 222540337 in words is "two hundred twenty-two million, five hundred forty thousand, three hundred thirty-seven".