222975448393 has 2 divisors, whose sum is σ = 222975448394. Its totient is φ = 222975448392.

The previous prime is 222975448363. The next prime is 222975448403. The reversal of 222975448393 is 393844579222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218473977744 + 4501470649 = 467412^2 + 67093^2 .

It is a cyclic number.

It is not a de Polignac number, because 222975448393 - 2⁹ = 222975447881 is a prime.

It is not a weakly prime, because it can be changed into another prime (222975448363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111487724196 + 111487724197.

It is an arithmetic number, because the mean of its divisors is an integer number (111487724197).

Almost surely, 2^222975448393 is an apocalyptic number.

It is an amenable number.

222975448393 is a deficient number, since it is larger than the sum of its proper divisors (1).

222975448393 is an equidigital number, since it uses as much as digits as its factorization.

222975448393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 58.

The spelling of 222975448393 in words is "two hundred twenty-two billion, nine hundred seventy-five million, four hundred forty-eight thousand, three hundred ninety-three".