222021219373 has 2 divisors, whose sum is σ = 222021219374. Its totient is φ = 222021219372.

The previous prime is 222021219341. The next prime is 222021219377. The reversal of 222021219373 is 373912120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214245859689 + 7775359684 = 462867^2 + 88178^2 .

It is a cyclic number.

It is not a de Polignac number, because 222021219373 - 2⁵ = 222021219341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222021219377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010609686 + 111010609687.

It is an arithmetic number, because the mean of its divisors is an integer number (111010609687).

Almost surely, 2^222021219373 is an apocalyptic number.

It is an amenable number.

222021219373 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021219373 is an equidigital number, since it uses as much as digits as its factorization.

222021219373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 222021219373 its reverse (373912120222), we get a palindrome (595933339595).

The spelling of 222021219373 in words is "two hundred twenty-two billion, twenty-one million, two hundred nineteen thousand, three hundred seventy-three".