222786413 has 2 divisors, whose sum is σ = 222786414. Its totient is φ = 222786412.

The previous prime is 222786383. The next prime is 222786449. The reversal of 222786413 is 314687222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151856329 + 70930084 = 12323^2 + 8422^2 .

It is a cyclic number.

It is not a de Polignac number, because 222786413 - 2¹⁴ = 222770029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222786463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111393206 + 111393207.

It is an arithmetic number, because the mean of its divisors is an integer number (111393207).

Almost surely, 2^222786413 is an apocalyptic number.

It is an amenable number.

222786413 is a deficient number, since it is larger than the sum of its proper divisors (1).

222786413 is an equidigital number, since it uses as much as digits as its factorization.

222786413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 222786413 is about 14926.0313881487. The cubic root of 222786413 is about 606.2190324211.

The spelling of 222786413 in words is "two hundred twenty-two million, seven hundred eighty-six thousand, four hundred thirteen".