222430379 has 2 divisors, whose sum is σ = 222430380. Its totient is φ = 222430378.

The previous prime is 222430337. The next prime is 222430393. The reversal of 222430379 is 973034222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222430379 - 2¹⁶ = 222364843 is a prime.

It is not a weakly prime, because it can be changed into another prime (222430979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111215189 + 111215190.

It is an arithmetic number, because the mean of its divisors is an integer number (111215190).

Almost surely, 2^222430379 is an apocalyptic number.

222430379 is a deficient number, since it is larger than the sum of its proper divisors (1).

222430379 is an equidigital number, since it uses as much as digits as its factorization.

222430379 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 32.

The square root of 222430379 is about 14914.1000063698. The cubic root of 222430379 is about 605.8959282410.

The spelling of 222430379 in words is "two hundred twenty-two million, four hundred thirty thousand, three hundred seventy-nine".