222859123 has 2 divisors, whose sum is σ = 222859124. Its totient is φ = 222859122.

The previous prime is 222859081. The next prime is 222859139. The reversal of 222859123 is 321958222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222859123 - 2⁹ = 222858611 is a prime.

It is not a weakly prime, because it can be changed into another prime (222859163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111429561 + 111429562.

It is an arithmetic number, because the mean of its divisors is an integer number (111429562).

Almost surely, 2^222859123 is an apocalyptic number.

222859123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222859123 is an equidigital number, since it uses as much as digits as its factorization.

222859123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 222859123 is about 14928.4668670296. The cubic root of 222859123 is about 606.2849750892.

Subtracting 222859123 from its reverse (321958222), we obtain a palindrome (99099099).

The spelling of 222859123 in words is "two hundred twenty-two million, eight hundred fifty-nine thousand, one hundred twenty-three".