222105239 has 2 divisors, whose sum is σ = 222105240. Its totient is φ = 222105238.

The previous prime is 222105197. The next prime is 222105263. The reversal of 222105239 is 932501222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222105239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222105439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111052619 + 111052620.

It is an arithmetic number, because the mean of its divisors is an integer number (111052620).

Almost surely, 2^222105239 is an apocalyptic number.

222105239 is a deficient number, since it is larger than the sum of its proper divisors (1).

222105239 is an equidigital number, since it uses as much as digits as its factorization.

222105239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 222105239 is about 14903.1955969181. The cubic root of 222105239 is about 605.6005593103.

The spelling of 222105239 in words is "two hundred twenty-two million, one hundred five thousand, two hundred thirty-nine".