222979 has 2 divisors, whose sum is σ = 222980. Its totient is φ = 222978.

The previous prime is 222977. The next prime is 222991. The reversal of 222979 is 979222.

222979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222979 - 2¹ = 222977 is a prime.

Together with 222977, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 9 + 2¹⁷ + 7² + 9⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 222979.

It is not a weakly prime, because it can be changed into another prime (222977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111489 + 111490.

It is an arithmetic number, because the mean of its divisors is an integer number (111490).

2²²²⁹⁷⁹ is an apocalyptic number.

222979 is a deficient number, since it is larger than the sum of its proper divisors (1).

222979 is an equidigital number, since it uses as much as digits as its factorization.

222979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 222979 is about 472.2065226148. The cubic root of 222979 is about 60.6393663477.

The spelling of 222979 in words is "two hundred twenty-two thousand, nine hundred seventy-nine".