222444379 has 2 divisors, whose sum is σ = 222444380. Its totient is φ = 222444378.

The previous prime is 222444367. The next prime is 222444421. The reversal of 222444379 is 973444222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222444379 - 2⁹ = 222443867 is a prime.

It is not a weakly prime, because it can be changed into another prime (222444479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111222189 + 111222190.

It is an arithmetic number, because the mean of its divisors is an integer number (111222190).

Almost surely, 2^222444379 is an apocalyptic number.

222444379 is a deficient number, since it is larger than the sum of its proper divisors (1).

222444379 is an equidigital number, since it uses as much as digits as its factorization.

222444379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 222444379 is about 14914.5693534879. The cubic root of 222444379 is about 605.9086398815.

The spelling of 222444379 in words is "two hundred twenty-two million, four hundred forty-four thousand, three hundred seventy-nine".