222021219379 has 2 divisors, whose sum is σ = 222021219380. Its totient is φ = 222021219378.

The previous prime is 222021219377. The next prime is 222021219419. The reversal of 222021219379 is 973912120222.

It is an a-pointer prime, because the next prime (222021219419) can be obtained adding 222021219379 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222021219379 - 2¹ = 222021219377 is a prime.

Together with 222021219377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222021219373) 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, 111010609689 + 111010609690.

It is an arithmetic number, because the mean of its divisors is an integer number (111010609690).

Almost surely, 2^222021219379 is an apocalyptic number.

222021219379 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021219379 is an equidigital number, since it uses as much as digits as its factorization.

222021219379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 222021219379 in words is "two hundred twenty-two billion, twenty-one million, two hundred nineteen thousand, three hundred seventy-nine".