222012293 has 2 divisors, whose sum is σ = 222012294. Its totient is φ = 222012292.

The previous prime is 222012289. The next prime is 222012317. The reversal of 222012293 is 392210222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168532324 + 53479969 = 12982^2 + 7313^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012293 - 2² = 222012289 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222017293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006146 + 111006147.

It is an arithmetic number, because the mean of its divisors is an integer number (111006147).

Almost surely, 2^222012293 is an apocalyptic number.

It is an amenable number.

222012293 is a deficient number, since it is larger than the sum of its proper divisors (1).

222012293 is an equidigital number, since it uses as much as digits as its factorization.

222012293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 222012293 is about 14900.0769461100. The cubic root of 222012293 is about 605.5160708287.

The spelling of 222012293 in words is "two hundred twenty-two million, twelve thousand, two hundred ninety-three".